Get NVMe solid state performance with up to 1050MB/s read and 1000MB/s write speeds in a portable, high-capacity drive that’s perfect for creating amazing content or capturing incredible footage.
Up to three-meter drop protection and IP65 water and dust resistance mean this tough drive can take a beating
Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption plus Easily manage files and automatically free up space with the SanDisk Memory Zone app
Use the handy carabiner loop to secure it to your belt loop or backpack for extra peace of mind.
Travel worry-free with a 5-year limited warranty by SanDisk and a durable silicone shell that offers a premium feel and added protection to the drive’s exterior
When it comes to portable SSDs, speed is of the essence, and the SanDisk Extreme Pro doesn’t disappoint. With write speeds of up to a staggering 2000 MB/s, this compact powerhouse is a game-changer for anyone who needs lightning-fast storage on the go.
Design and Build (★★★★☆)
The SanDisk Extreme Pro boasts a sleek and durable design that’s built to withstand the rigors of travel. Its compact form factor is perfect for slipping into your pocket or bag, and it feels reassuringly robust. The rugged aluminum exterior not only adds to its durability but also dissipates heat efficiently, ensuring optimal performance during prolonged use.
Performance (★★★★★)
The standout feature of the SanDisk Extreme Pro is, without a doubt, its mind-boggling write speeds of up to 2000 MB/s. Whether you’re transferring large files, editing 4K video on the fly, or running resource-intensive applications, this SSD handles it all with ease. It’s a game-changer for creative professionals who demand top-tier performance from their storage devices.
I found the read speeds to be equally impressive, making data access almost instantaneous. It significantly reduces the time spent waiting for files to load, which can be a game-changer in professional workflows.
Compatibility (★★★★☆)
This SSD supports both USB 3.2 Gen 2 and Thunderbolt 3, ensuring broad compatibility across a wide range of devices. Whether you’re using a Mac or a PC, you can connect the SanDisk Extreme Pro without any hassle. It’s also backward compatible with older USB ports, although you won’t achieve the same blazing speeds in those cases.
Software and Security (★★★★★)
SanDisk includes their SecureAccess software, which offers password protection and 128-bit AES encryption to keep your data safe. This extra layer of security is crucial for professionals who handle sensitive information regularly. Additionally, the included software suite allows for easy backup and synchronization, making data management a breeze.
Price (★★★★☆)
While the SanDisk Extreme Pro is undoubtedly a premium product, its price is justified by its exceptional performance and build quality. If you demand the best, you won’t be disappointed by the value it provides.
Conclusion (★★★★★)
In summary, the SanDisk Extreme Pro Portable SSD is an absolute beast in the world of portable storage. Its astonishing write speeds, rugged build, and top-notch security features make it a must-have for professionals on the go. Whether you’re a content creator, photographer, or anyone who requires speedy and reliable storage, this SSD is a game-changer. The only downside is its relatively high price, but for those who demand the best, it’s worth every penny. Say goodbye to slow transfers and data bottlenecks – the SanDisk Extreme Pro has arrived to turbocharge your workflow.
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★★★★★
Priya –
It is a great product. Extremely convenient and portable. The SSD comes with a c to c and c to usb cable. It is fast, reliable and portable. Must buy.
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★★★★★
3SA –
I bought this product specifically for its support for 256‐bit AES hardware encryption. While it works fine on my Windows laptop and MacBook, it doesn’t work on Android! There is no Android app that will unlock this device when connected to an Android device. This is a bummer because Samsung has an Android app for its T7 Touch (which should work for T7 Shield too), and this helps me access files on the encrypted (password protected) disk using my mobile phone too. But on this SanDisk, I can unlock them only on a PC (Windows or Mac) but NOT on an Android device because there is no way to ‘unlock’ it.
If your usage is without encryption, then it will work on Android too. But this is not why I bought this device. Disappointed!
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★★★★★
iAppleGeek –
I’ve run this hard drive through the wringer with loads of speed tests, file transfers (small and large files). Read on for some in-depth rabbit-hole findings and some comparisons with other drives.
TLDR Overall a solid drive. But if you have a need for speed, go for a Thunderbolt 3 SSD instead. It will NOT hit the max 2000 MB/s speed. It will max out around the same top speed as the other USB 3.2 Gen 2 drives (1000 MB/s)! Go for the regular extreme pro at a cheaper price, or instead, build your own. However, stay away from the Samsung T7. But I’ll save that review for another day.
SIDE NOTE As a video editor, I demand high sustained performance out of my drives. I’m giving this item 3 stars because, despite being more than fast enough, I think I got a faulty unit. It struggles with sustained loads and sometimes renders Final Cut Pro frozen after prolonged periods of editing. I’ve never had this happen on any SSDs before, much less SanDisk ones. I made sure it wasn’t my computer or software wigging out. Hence, faulty drive! Not a big deal, a simple Amazon return or SanDisk RMA would fix it.
REVIEW Build quality – EXCELLENT. The combination of the plastic/rubber outside with an aluminum frame not only gives this drive better durability, but also great feel in the hand. Feels significantly more substantial than the regular, non-Pro (portable) version, and provides peace of mind over something like the Samsung T5/T7.
Heat – the drive does run warm, but when compared to its counterparts (and even internal nvme SSDs in an enclosure), it’s the coolest. It does, however, stay warm even when idle.
Speed – I was able to clock an average of 900 MB/s on both read and write, which is higher than both the Extreme Portable and Samsung T7 that averaged about 700-750. I was able to transfer an 85GB project folder to it in 1min 53sec and back in 2min 21 sec. Really good! But about the same as the cheaper drives.
However, it will NOT hit the advertised 2000 MB/s on 99.9% of computers.
Read on to learn about why that is. Otherwise, skip to the conclusion.
1. WHY THIS DRIVE IS NOT HITTING MAX SPEED FIRST, let’s clear up Bits and Bytes You may know that 1 byte = 8 bits. Hence, 1 Gigabyte (GB) = 8 Gigabits (Gb). And of course, 1 Gigabyte (GB) is also 1000 Megabytes (MB)
Note the difference in capitalization (GB vs Gb).
When converted, 2000MB/s (or 2 Gigabytes per second) is equal to about 16 GigaBITS/s. And its competitors are hitting about 1000MB/s, which is 8Gb/s.
So, theoretically, you’d need a port that supports 20Gb/s to run that 16Gb/s speed. Which brings us to USB and Thunderbolt.
2. SPEED DESIGNATIONS I’m going to separate these by bandwidth or max speed because there are multiple renames of the same thing. 5Gb/s or “Gen 1” – USB 3.0, USB 3.1 Gen 1, USB 3.2 Gen 1 10Gb/s or “Gen 2” – USB 3.1 Gen 2, USB 3.2 Gen 2 20Gb/s “or Gen 2×2” – USB 3.2 Gen 2×2, or any other 2×2 USB spec (they exist) 40 Gb/s – USB 4.0 40 Gb/s – Thunderbolt 3 and 4 (or “TB3 and TB4”)
I’ll be referring to the simplified nicknames like “Gen 1” since I am SO not typing out “USB 3.1 Gen 1” for the rest of this review.
Also, we are not discussing the physical port types in this review (Type-C, Type-A). The only thing you need to know is that USB 3.2 Gen 2×2 REQUIRES a USB-C port. So if you have the “fat USB” or Type A ports, it will never exceed 10Gbps.
3. HOW TO ACHIEVE MAX SPEED NOTE, for you to achieve ANY device’s max speed, all “links” in the chain must share the same standard. For example, a 10Gb/s port will only hit 5Gb/s on an SSD capped at USB 3.0. The device, the cable, AND the computer must all support the same exact specification. I call this the “Strong Link Policy.”
“What is Gen 2×2?” USB 3.2 Gen 2×2 is a “DUAL-LANE” or “TUNNELED” USB process. Meaning it requires 2 lanes of data going at 10Gb/s both ways, upstream and downstream, to reach the max 20Gb/s.
Think about it like a 4 lane highway (2 lanes x 2 directions = 4 lanes TOTAL), with each lane blocked off by walls, so there are no on or off ramps, only entrances and exits at the beginning or end.
“What about Thunderbolt?” Thunderbolt requires an Intel controller to reach max speed at every level. Same as USB, the Strong Link Policy to work. Otherwise, Intel has required computers to have backwards compatibility with USB 3.2 Gen 2 (max 10Gb/s) devices, so there’s a “slow lane” in case there is no TB controller.
Since this hard drive is a USB drive and NOT Thunderbolt, it will NOT reach its max speed with a TB port. It still works on TB ports because of backwards compatibility, capping out at 1000MB/s. This lines up with my testing which was about 900MB/s transfer.
And because TB is ALSO a dual lane process, it CANNOT physically be split to support Gen 2×2. It has to run “All or Nothing” and do 20Gb/s both lanes, both ways. Again, highway with walls! Except this time there’s a gatekeeper that asks for ID. No ID? You go in the slow lane.
“What about USB 4?” It doesn’t require a Thunderbolt controller. Right! But it also is a dual-lane process. Meaning it also needs 2 lanes of 20Gbps both ways to support its max 40Gbps. Main difference between USB 4 and TB is that it is not required to provide a higher power spec, displays, or PCIe support, it’s required only to support data, hence the “gatekeeper” is not as strict. However, the USB-IF (the peeps who make this stuff up), since they love confusion, allow alternative configurations (min. spec is 20Gb/s).
Why not just use one lane of 20Gb/s? Well it can’t. Because of the Strong Link Policy. While USB 4 allows 20Gb/s over one lane, every single link in the chain has to support USB 4. Hence, USB 3.2 Gen 2×2 is not allowed since it uses PCIe tunneling (2x 10Gbps each way) while USB 4 (1x 20Gbps each way) does not.
“But that doesn’t make any sense? Isn’t USB 4 supposed to support all previous USBs?” You are totally right. It IS supposed to. That makes sense. But that’s not how the USB-IF defined it. They like to confuse people, you see? Who put them in charge?? Definitely not mathematicians…or anyone with logic…
USB 4 “can” support Gen 2×2. But it is not “required” to. It is “optional” for device manufacturers to integrate.
If your port supports Thunderbolt 3/4, it is not capable of supporting ANY USB spec that requires 2×2 lanes. Intel won’t allow it. It’s all or nothing. You can give up TB in exchange for 2×2, but you end up with a less useful, more expensive port with less marketing power.
This is why M1 Mac ports are called “Thunderbolt / USB 4” ports (rather misleading). It will support FULL Thunderbolt 3 speed on its own, and full USB 4 speeds on its own, but not USB 3 Gen 2×2, because it has a TB3 controller, the gatekeeper that only allows max USB speeds at 10Gb/s.
4. CONCLUSION It’s a well-built, fast drive. But your host computer must support USB 3.2 Gen 2×2 or (dual-lane) USB 4.0 to run at that 2000MB/s speed. Unless you have a specific Gen 2×2 USB port – which you can find boards for custom-built PCs – it’s not on most (if any) mainstream computers – then this drive will not hit its advertised speed. It’s a marketing tactic. Companies know this, and most of them go out of their way to hide the USB spec on their computer’s Thunderbolt ports because of this. SanDisk is getting away with it because they added “Requires compatible devices capable of reaching such speed” in their product description.
Instead, I’d recommend getting a full-fledged Thunderbolt 4/3 SSD for insane speeds, since TB is a less stupid standard, just keep in mind that TB-only SSDs won’t work on regular USB ports.
For most practical purposes, USB 3.2 Gen 2 at 10Gb/s is fast enough. I can edit 4-5 streams of 4K 10bit h.264 off of it just fine without proxies or ProRes. But higher-bitrate video, like RAW, 6K, 8K and beyond, I would recommend a faster TB drive. Otherwise, save some money and go with the other SSDs, like the Extreme Portable, or build your own.
Getting this drive makes sense if you are building (or have) a PC that supports it, and you’re willing to give up Thunderbolt, or you’d rather hold out just in case your future computer has a multi-lane USB 4.0 port. In that case go for it!
UPDATE: I’ve since gotten a M1 Max MacBook Pro. Unfortunately, this review & conclusion still stands. The new “Thunderbolt 4” ports work the same as the previous models. Even with the top of line chipsets, Intel & USB-IF’s stupidity renders this drive to cap out at 10Gb/s. Only a fully Thunderbolt or fully USB 4 workflow in every link in the chain is required to hit 40Gb/s and the speeds in between.
UPDATE: Apple has also since released the M2 series of MacBooks, which change nothing with its ports compared to M1 (non-Pro), so still Thunderbolt 3 and USB 4. Lame.
UPDATE: USB-IF announced they are rolling out USB 4 Version 2. It’s said to support higher power delivery, up to 80Gbps+, be compatible with optional Thunderbolt features (displays, docks, etc.), be backwards compatible with USB 3.2 and below, and have a less-stupid naming scheme. Whether or not backwards compatibility supports Gen 2×2 remains unknown. BUT, Thunderbolt is rumored to be supported, but as an optional integration, up to the device manufacturer (ew). Just figure out your naming scheme, PLEASE.
EDIT: Fixed Typos, added M1 Pro/Max/Studio Update
EDIT 11/2022: Added M2 MacBooks update, updated USB specs, cleared up some things, and removed my recommendation to the Samsung T7. I’ve since edited on it and found it unreliable for sustained load.
As of right now, there are STILL no computers that sacrifice Thunderbolt for USB 3.2 2×2. Big surprise…
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★★★★★
Amazon Customer –
Speed is not up-to mark quite reverse as mentioned in description only 250mbps only max rest is good
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★★★★★
Avinash –
My god, where was this my entire life. Have put half my Steam library and all of my battle.net library on it, still has space. Bye bye to space issues
Pros – Lightweight? Its literally weightless, actually thought I got an empty box when i received it and recorded the unsealing of the package 🙂 – Fast!!! Tho not blazing, but can comfortably play games from it. However, fast paced multiplayer games must NOT be played on this, as it can have certain lag – Can be used with phones and tablets as well, now carrying my entire book, movie and music collection with me for on-the-go entertainment!! – Wire is very short and is sturdy, port is sturdy as well. Usb C to USB C, thus no proprietary carp in the middle – ALWAYS detects with the same drive letter every time on my laptop. So much more convenient, as then i do not have to manually change the drive assignment every time I connect it
Cons: – Not a con per se, but see if you have a USB 3.0 port, it will give the fast transfer rates only then, else will be constrained by the max data transfer speed of your USB port – Online reviews in the US have noted a high rate of failures of this disk and that they are clearing them off for a discount because of this. Thus, would recommend not using as a primary backup – Wire is very short, thus leading to the drive hanging from it when connected to a portable device like a phone. Drive is light, so not too much strain on the port, but still need to be careful
Great buy for on the go backup and entertainment!!
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★★★★★
Ramana Murty –
over all product is good
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★★★★★
Mentaloide –
¡Muy importante y no especificado correctamente en la descripción del producto!
Para que la transferencia del disco se acerque a los 2000 MBytes/s necesitas un ordenador equipado con USB 3.2 Gen 2×2 (20 Gbits/s), de lo contrario sólo llegarás a algo menos de 1000 MBytes/s como el modelo de 1050 MBytes/s que es más económico. Pocos ordenadores llevan este tipo de puertos, así que compruébalo antes de elegir este SSD. Ese es el motivo de que haya tantas opiniones que dicen que no llega a la velocidad prometida. Mi MacBook Pro 16 tiene puertos que funcionan como Thunderbolt (hasta 40 Gbits/s) y USB 3.1 Gen 2 (hasta 10 Gbits/s) pero no son compatibles con USB 3.2 Gen 2×2 a pesar de que el Thunderbolt es todavía más rápido, así que en los test la máxima velocidad de lectura y de escritura ha sido de unos 950 MBytes/s. No lo he cambiado por el modelo PRO de 1050 MB/s porque sólo había una diferencia de 30€ y ya había instalado un montón de cosas en el disco. Además pensé que probablemente mi próximo ordenador sí llevará un puerto USB 3.2 Gen 2×2 que me permita sacarle todo el partido a este SSD. Si tuviera que comprarlo de nuevo elegiría la versión PRO de 1050 MB/s., pero tampoco es que esté arrepentido de tener este.
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★★★★★
Emin –
I’ve been a loyal customer of SanDisk for quite some time now, and the SanDisk Extreme 2TB portable NVMe SSD continues to impress me with its exceptional performance and reliability. This is actually my third purchase of this fantastic device, and I felt compelled to share my positive experience.
First and foremost, the speed of this SSD is simply mind-blowing. With read speeds of up to 1050MB/s and write speeds of 1000MB/s, it’s like having a turbocharger for my data transfers. Whether I’m transferring large video files or working on intensive photo editing tasks in Lightroom, this SSD handles everything with ease. It significantly reduces the time I spend waiting for files to load or transfer, making my workflow smoother and more efficient.
The durability of this SSD is another standout feature. Its water and dust-resistant design give me peace of mind when I’m on the go. I can confidently take it with me on outdoor shoots or in less-than-ideal conditions without worrying about data loss. SanDisk has truly built a device that can withstand the rigors of real-world use.
Moreover, the sleek black design of this SSD is not only aesthetically pleasing but also functional. It’s compact and lightweight, making it easy to carry in my bag or pocket. The USB-C connectivity ensures fast and hassle-free connections with my various devices.
What I appreciate most about the SanDisk Extreme 2TB portable NVMe SSD is its excellent value for money. SanDisk consistently delivers top-notch performance and durability at a price that won’t break the bank. In fact, I’ve made it a yearly tradition to upgrade to a new one because the improvements are always worth it.
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★★★★★
Shuaib Malida –
Its a brilliant product i dont have much use of it on a daily basis though, but when its plugged in for quite some time it can get hot pretty quick
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★★★★★
Donato M. –
Di solito utilizzo dischi Samsung, sia interni che portatili, e non ho mai avuto problemi. Questa volta ho deciso di acquistare il portatile Sandisk Extreme V2 NVMe 1050 Mb/s.
Il produttore dichiara, di fatto, in lettura e scrittura sequenziale, rispettivamente 1050 Mb/s e 1000 Mb/s.
La memoria Flash Nand è di tipo TLC. Il disco è “Dramless” quindi non ha a bordo una memoria dedicata che faccia da cache. Ne risentiranno quindi le prestazioni quando si vorranno trasferire quantità molto grandi di dati ma in questo caso ovviamente ci si orienterà su dischi più professionali.
Il disco è di dimesioni contenute. E’ largo e spesso quanto un T5/T7 ma è più lungo. Niente che non possa stare comunque anche nella tasca dei jeans. Rispetto al design scarno e minimalista dei portatili Samsung questo SanDisk è più bello a vedersi e dà una impressione di buona fattura. La finitura superficiale è di un materiale “vellutato” che non lo fa scivolare ed è anche piacevole al tatto. Rispetto alla protezione da urti e altro viene dato come resistente all’acqua e alle cadute da una altezza di 2 Mt.
Il cavetto USB-C accluso è, in merito alla lunghezza, una cosa miserevole testimoniata da soli 16.5 cm (spinotti compresi). Ancor più miserevole l’adapter USB-A. Data la categoria di questo SSD è incomprensibile come non venga fornito anche un cavetto USB-A quasi sempre presente nei dischi similari della concorrenza. Positivo comunque il fatto che l’adapter supporti porte USB-A da 10 Gbps (quelle che venivano chiamate 3.1) e quindi la stessa velocità ottenibile con USB-C.
Per quanto riguarda la protezione con password SanDisk, a differenza di Samsung, non propone, al primo collegamento, l’obbligo della scelta. Se si vuole attivarla si dovranno utilizzare i files di installazione del software (Win o Mac) presenti sul disco o scaricare SanDisk Security dal sito. Quest’ultimo software permette, inoltre, di risolvere gli eventuali problemi e malfunzionamenti riguardanti questa funzionalità.
ATTENZIONE: Prima di attivare una password consiglio di leggere attentamente i post su Amazon e/o sul web poichè non sono poche le lamentele e gli intoppi.
Dal punto di vista termico non ho avuto nessun problema e il disco rimane solo poco più che tiepido considerato che non ho necessità di trasferire grandissime quantità di dati.
Al primo collegamento con cavetto USB-C accluso e porta USB-C (10 Gbps) su laptop Nitro 5 il disco viene riconosciuto senza problemi da Windows 11 Home. La formattazione originale è ex-fat Sono presenti effettivamente 953 Mb liberi.
Il mio utilizzo di questo SSD riguarda il backup giornaliero dei dati e il backup un paio di volte al mese dell’immagine di sistema. Un tipico utilizzo da utente medio.
Dato che uso esclusivamente Windows ho provveduto alla formattazione in NTFS con dimensioni di unità di allocazione predefinite. Questo SSD supporta la funzione TRIM quindi con NTFS, a differenza di EX-FAT, si può eseguire l’ottimizzazione del disco tramite Windows.
TEST CON CrystalDiskMark 8.0.4c SU: LAPTOP NITRO 5 RYZEN 7 5800H – WINDOWS 11 HOME CON:
I test con CrystalDiskMark suL laptop mostrano che utilizzando sia il solo cavo USB-C o lo stesso con l’adattatore si ottengono più o meno le stesse prestazioni (fermo restando che le porte USB-C o USB-A utilizzate siano a 10Gbps).
Misurazioni in Mb/s.
Lettura sequenziale: 968 Mb/s Scrittura sequenziale: 855 Lettura Random 4K Q1T1: 34 Scrittura Random 4K Q1T1: 47
Se si utilizza l’adattatore su porta USB-A 5Gbps invece si ottengono queste prestazioni:
Lettura sequenziale: 419 Scrittura sequenziale: 369 Lettura Random 4K Q1T1: 31 Scrittura Random 4K Q1T1: 40
TEST SU: PC Desktop X99 – I7 5930K – WINDOWS 10 Pro CON:
Lettura sequenziale: 460 Scrittura sequenziale: 461 Lettura Random 4K Q1T1: 25 Scrittura Random 4K Q1T1: 37
TEST DI COPIA FILE REALE
Ho creato una cartella contenete svariati tipi di file e l’ho copiata sul SanDisk Extreme con il software gratuito FastCopy 4.2.2.
La cartella, per un totale di circa 9 GB, contiene:
1.4 Gb di file Mp3 529 Mb di file pdf e doc. 1.55 Gb di file di profili di Firefox 2.73 Gb di immagini in jpeg, psd, tiff etc. 1.4 Gb di un film in avi. 1.7 Gb di file multimediali in swf, wav etc.
1) SU NITRO 5 alimentato a batteria:
Con porta 10 Gbps e cavetto USB-C originale la copia della cartella dal disco di sistema (un WDC PC SN530 NVMe) è avvenuta in: 44 secondi con una media di 227.6 Mb/s.
2) SU NITRO 5 alimentato da rete elettrica:
Con porta 10 Gbps e cavetto USB-C originale la copia della cartella dal disco di sistema (un WDC PC SN530 NVMe) è avvenuta in: 27.3 secondi con una media di 368 Mb/s.
3) SU PC DESKTOP X99:
Con porta 5 Gbps e cavetto USB-C originale + adapter + cavo USB 3.0 di 1 Mt. la copia della cartella da un disco SATA interno (Samsung 850 Pro) è avvenuta in: 45.8 secondi con una media di 219 Mb/s.
Si noterà che in base al tipo di alimentazione del laptop e a pari condizioni di connessione i tempi di trasferimento differiscono. Questo accade, su questo laptop, perchè la velocità dei processori viene limitata quando è alimentato a batteria per preservare la durata della stessa mentre funzionano a piena potenza quando l’alimentazione proviene dalla rete elettrica. Un altra variabile, insieme alla scelta del piano energetico configurato in Windowsdi, di cui tenere conto quando si valutano le prestazioni di un disco.
Curioso inoltre notare come i tempi di traferimento del laptop alimentato a batteria e quelli del PC Desktop siano più o meno uguali malgrado quest’ultimo utilizzi un disco SATA e una connessione a 5Gbps aggravata da un cavo di proluga di 1 Mt.
Un ultima cosa da notare è come su PC Desktop e Windows 10 Pro il disco venga visto al boot come due unità. Penso dipenda dal fatto che l’adapter venga considerato come una “enclosure” ma questo non succede sul laptop con Windows 11. L’unica noia è rappresentata dal fatto che i programmi di analisi/benchmarking ci pensano su un bel pò prima di aprirsi e non tutti lo riconoscono e ne elencano le caratteristiche. CrystalDisk Info ci mette un pò ma alla fine presenta correttamente il suo resoconto. Questo potrebbe dipendere dalla gestione USB di Windows 10 o da 1000 altre cause e ovviamente accade sul mio sistema. Non è detto che accada sul vostro.
CONCLUSIONI
Il disco si comporta secondo le aspettative e credo che vada benissimo per le esigenze dell’utente medio. Vediamo come va in termini di durata. La garanzia di Sandisk è di 5 anni. Perchè 4 stelle e non 5? Per via dell’assenza del cavetto USB-A.
UPDATE 08/2023 – ATTENZIONE
Mi sembra doveroso segnalare che da alcuni mesi si registrano problemi con il firmware di queste unità sia su WIN che su MAC:
– SanDisk Extreme Portable 4TB (SDSSDE61-4T00)
– SanDisk Extreme Pro Portable 4TB (SDSSDE81-4T00)
– SanDisk Extreme Pro 2TB (SDSSDE81-2T00)
– SanDisk Extreme Pro 1TB (SDSSDE81-1T00)
– WD My Passport 4TB (WDBAGF0040BGY)
Il comportamento delle unità difettose comporta la perdita dei dati e l’impossibilità per il sistema operativo di “vedere” il disco.
WESTERN DIGITAL/SANDISK mette a disposizione sul sito di Western Digital uno strumento di verifica del prodotto ed eventuale download della patch per il firmware difettoso.
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★★★★★
Debabrata Sarkar –
Have three SanDisk external SSDs including this recent purchase—one 2TB and two 4TB. They appear to be most reliable and trusted devices for Mac. Most importantly, not on a single occasion, they have any problem in getting properly ejected across MacBook Pro platforms, be it of AMD64 or ARM64 architecture. Whereas other brands frequently fail to negotiate properly and thus force-ejected which isn’t recommended at all. Agreed that the bottom rubberised mat gathers dust, but it offers no-slip when being placed on the MBP’s aluminium top. Just needs to brush off the dust. It cannot be an issue. R/W speed is more than sufficient for the GB data. It’s also ideal for Time Machine backup; just need to be formatted to APFS for the Silicon MBP and to MacOS Journaled for the Intel MBP. Overall, I strongly recommend this product for regular high-throughput uses.
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★★★★★
Caleb –
Versatile and blazingly fast portable SSD with AES encryption feature. For the price it’s a deal steal. Well how long it last remains to be seen in the coming days. Go for it.
Emin –
When it comes to portable SSDs, speed is of the essence, and the SanDisk Extreme Pro doesn’t disappoint. With write speeds of up to a staggering 2000 MB/s, this compact powerhouse is a game-changer for anyone who needs lightning-fast storage on the go.
Design and Build (★★★★☆)
The SanDisk Extreme Pro boasts a sleek and durable design that’s built to withstand the rigors of travel. Its compact form factor is perfect for slipping into your pocket or bag, and it feels reassuringly robust. The rugged aluminum exterior not only adds to its durability but also dissipates heat efficiently, ensuring optimal performance during prolonged use.
Performance (★★★★★)
The standout feature of the SanDisk Extreme Pro is, without a doubt, its mind-boggling write speeds of up to 2000 MB/s. Whether you’re transferring large files, editing 4K video on the fly, or running resource-intensive applications, this SSD handles it all with ease. It’s a game-changer for creative professionals who demand top-tier performance from their storage devices.
I found the read speeds to be equally impressive, making data access almost instantaneous. It significantly reduces the time spent waiting for files to load, which can be a game-changer in professional workflows.
Compatibility (★★★★☆)
This SSD supports both USB 3.2 Gen 2 and Thunderbolt 3, ensuring broad compatibility across a wide range of devices. Whether you’re using a Mac or a PC, you can connect the SanDisk Extreme Pro without any hassle. It’s also backward compatible with older USB ports, although you won’t achieve the same blazing speeds in those cases.
Software and Security (★★★★★)
SanDisk includes their SecureAccess software, which offers password protection and 128-bit AES encryption to keep your data safe. This extra layer of security is crucial for professionals who handle sensitive information regularly. Additionally, the included software suite allows for easy backup and synchronization, making data management a breeze.
Price (★★★★☆)
While the SanDisk Extreme Pro is undoubtedly a premium product, its price is justified by its exceptional performance and build quality. If you demand the best, you won’t be disappointed by the value it provides.
Conclusion (★★★★★)
In summary, the SanDisk Extreme Pro Portable SSD is an absolute beast in the world of portable storage. Its astonishing write speeds, rugged build, and top-notch security features make it a must-have for professionals on the go. Whether you’re a content creator, photographer, or anyone who requires speedy and reliable storage, this SSD is a game-changer. The only downside is its relatively high price, but for those who demand the best, it’s worth every penny. Say goodbye to slow transfers and data bottlenecks – the SanDisk Extreme Pro has arrived to turbocharge your workflow.
Priya –
It is a great product. Extremely convenient and portable. The SSD comes with a c to c and c to usb cable. It is fast, reliable and portable. Must buy.
3SA –
I bought this product specifically for its support for 256‐bit AES hardware encryption. While it works fine on my Windows laptop and MacBook, it doesn’t work on Android! There is no Android app that will unlock this device when connected to an Android device. This is a bummer because Samsung has an Android app for its T7 Touch (which should work for T7 Shield too), and this helps me access files on the encrypted (password protected) disk using my mobile phone too. But on this SanDisk, I can unlock them only on a PC (Windows or Mac) but NOT on an Android device because there is no way to ‘unlock’ it.
If your usage is without encryption, then it will work on Android too. But this is not why I bought this device. Disappointed!
iAppleGeek –
I’ve run this hard drive through the wringer with loads of speed tests, file transfers (small and large files). Read on for some in-depth rabbit-hole findings and some comparisons with other drives.
TLDR
Overall a solid drive. But if you have a need for speed, go for a Thunderbolt 3 SSD instead. It will NOT hit the max 2000 MB/s speed. It will max out around the same top speed as the other USB 3.2 Gen 2 drives (1000 MB/s)! Go for the regular extreme pro at a cheaper price, or instead, build your own. However, stay away from the Samsung T7. But I’ll save that review for another day.
SIDE NOTE
As a video editor, I demand high sustained performance out of my drives. I’m giving this item 3 stars because, despite being more than fast enough, I think I got a faulty unit. It struggles with sustained loads and sometimes renders Final Cut Pro frozen after prolonged periods of editing. I’ve never had this happen on any SSDs before, much less SanDisk ones. I made sure it wasn’t my computer or software wigging out. Hence, faulty drive! Not a big deal, a simple Amazon return or SanDisk RMA would fix it.
REVIEW
Build quality – EXCELLENT. The combination of the plastic/rubber outside with an aluminum frame not only gives this drive better durability, but also great feel in the hand. Feels significantly more substantial than the regular, non-Pro (portable) version, and provides peace of mind over something like the Samsung T5/T7.
Heat – the drive does run warm, but when compared to its counterparts (and even internal nvme SSDs in an enclosure), it’s the coolest. It does, however, stay warm even when idle.
Speed – I was able to clock an average of 900 MB/s on both read and write, which is higher than both the Extreme Portable and Samsung T7 that averaged about 700-750. I was able to transfer an 85GB project folder to it in 1min 53sec and back in 2min 21 sec. Really good! But about the same as the cheaper drives.
However, it will NOT hit the advertised 2000 MB/s on 99.9% of computers.
Read on to learn about why that is. Otherwise, skip to the conclusion.
1. WHY THIS DRIVE IS NOT HITTING MAX SPEED
FIRST, let’s clear up Bits and Bytes
You may know that 1 byte = 8 bits.
Hence, 1 Gigabyte (GB) = 8 Gigabits (Gb).
And of course, 1 Gigabyte (GB) is also 1000 Megabytes (MB)
Note the difference in capitalization (GB vs Gb).
When converted, 2000MB/s (or 2 Gigabytes per second) is equal to about 16 GigaBITS/s. And its competitors are hitting about 1000MB/s, which is 8Gb/s.
So, theoretically, you’d need a port that supports 20Gb/s to run that 16Gb/s speed. Which brings us to USB and Thunderbolt.
2. SPEED DESIGNATIONS
I’m going to separate these by bandwidth or max speed because there are multiple renames of the same thing.
5Gb/s or “Gen 1” – USB 3.0, USB 3.1 Gen 1, USB 3.2 Gen 1
10Gb/s or “Gen 2” – USB 3.1 Gen 2, USB 3.2 Gen 2
20Gb/s “or Gen 2×2” – USB 3.2 Gen 2×2, or any other 2×2 USB spec (they exist)
40 Gb/s – USB 4.0
40 Gb/s – Thunderbolt 3 and 4 (or “TB3 and TB4”)
I’ll be referring to the simplified nicknames like “Gen 1” since I am SO not typing out “USB 3.1 Gen 1” for the rest of this review.
Also, we are not discussing the physical port types in this review (Type-C, Type-A). The only thing you need to know is that USB 3.2 Gen 2×2 REQUIRES a USB-C port. So if you have the “fat USB” or Type A ports, it will never exceed 10Gbps.
3. HOW TO ACHIEVE MAX SPEED
NOTE, for you to achieve ANY device’s max speed, all “links” in the chain must share the same standard. For example, a 10Gb/s port will only hit 5Gb/s on an SSD capped at USB 3.0. The device, the cable, AND the computer must all support the same exact specification. I call this the “Strong Link Policy.”
“What is Gen 2×2?”
USB 3.2 Gen 2×2 is a “DUAL-LANE” or “TUNNELED” USB process. Meaning it requires 2 lanes of data going at 10Gb/s both ways, upstream and downstream, to reach the max 20Gb/s.
Think about it like a 4 lane highway (2 lanes x 2 directions = 4 lanes TOTAL), with each lane blocked off by walls, so there are no on or off ramps, only entrances and exits at the beginning or end.
“What about Thunderbolt?”
Thunderbolt requires an Intel controller to reach max speed at every level. Same as USB, the Strong Link Policy to work. Otherwise, Intel has required computers to have backwards compatibility with USB 3.2 Gen 2 (max 10Gb/s) devices, so there’s a “slow lane” in case there is no TB controller.
Since this hard drive is a USB drive and NOT Thunderbolt, it will NOT reach its max speed with a TB port. It still works on TB ports because of backwards compatibility, capping out at 1000MB/s. This lines up with my testing which was about 900MB/s transfer.
And because TB is ALSO a dual lane process, it CANNOT physically be split to support Gen 2×2. It has to run “All or Nothing” and do 20Gb/s both lanes, both ways. Again, highway with walls! Except this time there’s a gatekeeper that asks for ID. No ID? You go in the slow lane.
“What about USB 4?”
It doesn’t require a Thunderbolt controller. Right! But it also is a dual-lane process. Meaning it also needs 2 lanes of 20Gbps both ways to support its max 40Gbps. Main difference between USB 4 and TB is that it is not required to provide a higher power spec, displays, or PCIe support, it’s required only to support data, hence the “gatekeeper” is not as strict. However, the USB-IF (the peeps who make this stuff up), since they love confusion, allow alternative configurations (min. spec is 20Gb/s).
Why not just use one lane of 20Gb/s? Well it can’t. Because of the Strong Link Policy. While USB 4 allows 20Gb/s over one lane, every single link in the chain has to support USB 4. Hence, USB 3.2 Gen 2×2 is not allowed since it uses PCIe tunneling (2x 10Gbps each way) while USB 4 (1x 20Gbps each way) does not.
“But that doesn’t make any sense? Isn’t USB 4 supposed to support all previous USBs?”
You are totally right. It IS supposed to. That makes sense. But that’s not how the USB-IF defined it. They like to confuse people, you see? Who put them in charge?? Definitely not mathematicians…or anyone with logic…
USB 4 “can” support Gen 2×2. But it is not “required” to. It is “optional” for device manufacturers to integrate.
If your port supports Thunderbolt 3/4, it is not capable of supporting ANY USB spec that requires 2×2 lanes. Intel won’t allow it. It’s all or nothing. You can give up TB in exchange for 2×2, but you end up with a less useful, more expensive port with less marketing power.
This is why M1 Mac ports are called “Thunderbolt / USB 4” ports (rather misleading). It will support FULL Thunderbolt 3 speed on its own, and full USB 4 speeds on its own, but not USB 3 Gen 2×2, because it has a TB3 controller, the gatekeeper that only allows max USB speeds at 10Gb/s.
4. CONCLUSION
It’s a well-built, fast drive. But your host computer must support USB 3.2 Gen 2×2 or (dual-lane) USB 4.0 to run at that 2000MB/s speed. Unless you have a specific Gen 2×2 USB port – which you can find boards for custom-built PCs – it’s not on most (if any) mainstream computers – then this drive will not hit its advertised speed. It’s a marketing tactic. Companies know this, and most of them go out of their way to hide the USB spec on their computer’s Thunderbolt ports because of this. SanDisk is getting away with it because they added “Requires compatible devices capable of reaching such speed” in their product description.
Instead, I’d recommend getting a full-fledged Thunderbolt 4/3 SSD for insane speeds, since TB is a less stupid standard, just keep in mind that TB-only SSDs won’t work on regular USB ports.
For most practical purposes, USB 3.2 Gen 2 at 10Gb/s is fast enough. I can edit 4-5 streams of 4K 10bit h.264 off of it just fine without proxies or ProRes. But higher-bitrate video, like RAW, 6K, 8K and beyond, I would recommend a faster TB drive. Otherwise, save some money and go with the other SSDs, like the Extreme Portable, or build your own.
Getting this drive makes sense if you are building (or have) a PC that supports it, and you’re willing to give up Thunderbolt, or you’d rather hold out just in case your future computer has a multi-lane USB 4.0 port. In that case go for it!
UPDATE: I’ve since gotten a M1 Max MacBook Pro. Unfortunately, this review & conclusion still stands. The new “Thunderbolt 4” ports work the same as the previous models. Even with the top of line chipsets, Intel & USB-IF’s stupidity renders this drive to cap out at 10Gb/s. Only a fully Thunderbolt or fully USB 4 workflow in every link in the chain is required to hit 40Gb/s and the speeds in between.
UPDATE: Apple has also since released the M2 series of MacBooks, which change nothing with its ports compared to M1 (non-Pro), so still Thunderbolt 3 and USB 4. Lame.
UPDATE: USB-IF announced they are rolling out USB 4 Version 2. It’s said to support higher power delivery, up to 80Gbps+, be compatible with optional Thunderbolt features (displays, docks, etc.), be backwards compatible with USB 3.2 and below, and have a less-stupid naming scheme. Whether or not backwards compatibility supports Gen 2×2 remains unknown. BUT, Thunderbolt is rumored to be supported, but as an optional integration, up to the device manufacturer (ew). Just figure out your naming scheme, PLEASE.
EDIT: Fixed Typos, added M1 Pro/Max/Studio Update
EDIT 11/2022: Added M2 MacBooks update, updated USB specs, cleared up some things, and removed my recommendation to the Samsung T7. I’ve since edited on it and found it unreliable for sustained load.
As of right now, there are STILL no computers that sacrifice Thunderbolt for USB 3.2 2×2. Big surprise…
Amazon Customer –
Speed is not up-to mark quite reverse as mentioned in description only 250mbps only max rest is good
Avinash –
My god, where was this my entire life. Have put half my Steam library and all of my battle.net library on it, still has space. Bye bye to space issues
Pros
– Lightweight? Its literally weightless, actually thought I got an empty box when i received it and recorded the unsealing of the package 🙂
– Fast!!! Tho not blazing, but can comfortably play games from it. However, fast paced multiplayer games must NOT be played on this, as it can have certain lag
– Can be used with phones and tablets as well, now carrying my entire book, movie and music collection with me for on-the-go entertainment!!
– Wire is very short and is sturdy, port is sturdy as well. Usb C to USB C, thus no proprietary carp in the middle
– ALWAYS detects with the same drive letter every time on my laptop. So much more convenient, as then i do not have to manually change the drive assignment every time I connect it
Cons:
– Not a con per se, but see if you have a USB 3.0 port, it will give the fast transfer rates only then, else will be constrained by the max data transfer speed of your USB port
– Online reviews in the US have noted a high rate of failures of this disk and that they are clearing them off for a discount because of this. Thus, would recommend not using as a primary backup
– Wire is very short, thus leading to the drive hanging from it when connected to a portable device like a phone. Drive is light, so not too much strain on the port, but still need to be careful
Great buy for on the go backup and entertainment!!
Ramana Murty –
over all product is good
Mentaloide –
¡Muy importante y no especificado correctamente en la descripción del producto!
Para que la transferencia del disco se acerque a los 2000 MBytes/s necesitas un ordenador equipado con USB 3.2 Gen 2×2 (20 Gbits/s), de lo contrario sólo llegarás a algo menos de 1000 MBytes/s como el modelo de 1050 MBytes/s que es más económico. Pocos ordenadores llevan este tipo de puertos, así que compruébalo antes de elegir este SSD. Ese es el motivo de que haya tantas opiniones que dicen que no llega a la velocidad prometida. Mi MacBook Pro 16 tiene puertos que funcionan como Thunderbolt (hasta 40 Gbits/s) y USB 3.1 Gen 2 (hasta 10 Gbits/s) pero no son compatibles con USB 3.2 Gen 2×2 a pesar de que el Thunderbolt es todavía más rápido, así que en los test la máxima velocidad de lectura y de escritura ha sido de unos 950 MBytes/s. No lo he cambiado por el modelo PRO de 1050 MB/s porque sólo había una diferencia de 30€ y ya había instalado un montón de cosas en el disco. Además pensé que probablemente mi próximo ordenador sí llevará un puerto USB 3.2 Gen 2×2 que me permita sacarle todo el partido a este SSD. Si tuviera que comprarlo de nuevo elegiría la versión PRO de 1050 MB/s., pero tampoco es que esté arrepentido de tener este.
Emin –
I’ve been a loyal customer of SanDisk for quite some time now, and the SanDisk Extreme 2TB portable NVMe SSD continues to impress me with its exceptional performance and reliability. This is actually my third purchase of this fantastic device, and I felt compelled to share my positive experience.
First and foremost, the speed of this SSD is simply mind-blowing. With read speeds of up to 1050MB/s and write speeds of 1000MB/s, it’s like having a turbocharger for my data transfers. Whether I’m transferring large video files or working on intensive photo editing tasks in Lightroom, this SSD handles everything with ease. It significantly reduces the time I spend waiting for files to load or transfer, making my workflow smoother and more efficient.
The durability of this SSD is another standout feature. Its water and dust-resistant design give me peace of mind when I’m on the go. I can confidently take it with me on outdoor shoots or in less-than-ideal conditions without worrying about data loss. SanDisk has truly built a device that can withstand the rigors of real-world use.
Moreover, the sleek black design of this SSD is not only aesthetically pleasing but also functional. It’s compact and lightweight, making it easy to carry in my bag or pocket. The USB-C connectivity ensures fast and hassle-free connections with my various devices.
What I appreciate most about the SanDisk Extreme 2TB portable NVMe SSD is its excellent value for money. SanDisk consistently delivers top-notch performance and durability at a price that won’t break the bank. In fact, I’ve made it a yearly tradition to upgrade to a new one because the improvements are always worth it.
Shuaib Malida –
Its a brilliant product i dont have much use of it on a daily basis though, but when its plugged in for quite some time it can get hot pretty quick
Donato M. –
Di solito utilizzo dischi Samsung, sia interni che portatili, e non ho mai avuto problemi. Questa volta ho deciso di acquistare il portatile Sandisk Extreme V2 NVMe 1050 Mb/s.
Il produttore dichiara, di fatto, in lettura e scrittura sequenziale, rispettivamente 1050 Mb/s e 1000 Mb/s.
La memoria Flash Nand è di tipo TLC.
Il disco è “Dramless” quindi non ha a bordo una memoria dedicata che faccia da cache. Ne risentiranno quindi le prestazioni quando si vorranno trasferire quantità molto grandi di dati ma in questo caso ovviamente ci si orienterà su dischi più professionali.
Il disco è di dimesioni contenute. E’ largo e spesso quanto un T5/T7 ma è più lungo. Niente che non possa stare comunque anche nella tasca dei jeans.
Rispetto al design scarno e minimalista dei portatili Samsung questo SanDisk è più bello a vedersi e dà una impressione di buona fattura. La finitura superficiale è di un materiale “vellutato” che non lo fa scivolare ed è anche piacevole al tatto.
Rispetto alla protezione da urti e altro viene dato come resistente all’acqua e alle cadute da una altezza di 2 Mt.
Il cavetto USB-C accluso è, in merito alla lunghezza, una cosa miserevole testimoniata da soli 16.5 cm (spinotti compresi).
Ancor più miserevole l’adapter USB-A. Data la categoria di questo SSD è incomprensibile come non venga fornito anche un cavetto USB-A quasi sempre presente nei dischi similari della concorrenza. Positivo comunque il fatto che l’adapter supporti porte USB-A da 10 Gbps (quelle che venivano chiamate 3.1) e quindi la stessa velocità ottenibile con USB-C.
Per quanto riguarda la protezione con password SanDisk, a differenza di Samsung, non propone, al primo collegamento, l’obbligo della scelta. Se si vuole attivarla si dovranno utilizzare i files di installazione del software (Win o Mac) presenti sul disco o scaricare SanDisk Security dal sito. Quest’ultimo software permette, inoltre, di risolvere gli eventuali problemi e malfunzionamenti riguardanti questa funzionalità.
ATTENZIONE:
Prima di attivare una password consiglio di leggere attentamente i post su Amazon e/o sul web poichè non sono poche le lamentele e gli intoppi.
Dal punto di vista termico non ho avuto nessun problema e il disco rimane solo poco più che tiepido considerato che non ho necessità di trasferire grandissime quantità di dati.
Al primo collegamento con cavetto USB-C accluso e porta USB-C (10 Gbps) su laptop Nitro 5 il disco viene riconosciuto senza problemi da Windows 11 Home.
La formattazione originale è ex-fat
Sono presenti effettivamente 953 Mb liberi.
Il mio utilizzo di questo SSD riguarda il backup giornaliero dei dati e il backup un paio di volte al mese dell’immagine di sistema. Un tipico utilizzo da utente medio.
Dato che uso esclusivamente Windows ho provveduto alla formattazione in NTFS con dimensioni di unità di allocazione predefinite. Questo SSD supporta la funzione TRIM quindi con NTFS, a differenza di EX-FAT, si può eseguire l’ottimizzazione del disco tramite Windows.
TEST CON CrystalDiskMark 8.0.4c SU: LAPTOP NITRO 5 RYZEN 7 5800H – WINDOWS 11 HOME CON:
1) Porta USB-C (10Gbps) + cavetto USB-C accluso.
2) Porta USB-A (10Gbps) + cavetto USB-C accluso + adattatore USB-A accluso.
3) Porta USB-A (5Gbps) + cavetto USB-C accluso + adattatore USB-A accluso.
I test con CrystalDiskMark suL laptop mostrano che utilizzando sia il solo cavo USB-C o lo stesso con l’adattatore si ottengono più o meno le stesse prestazioni (fermo restando che le porte USB-C o USB-A utilizzate siano a 10Gbps).
Misurazioni in Mb/s.
Lettura sequenziale: 968 Mb/s
Scrittura sequenziale: 855
Lettura Random 4K Q1T1: 34
Scrittura Random 4K Q1T1: 47
Se si utilizza l’adattatore su porta USB-A 5Gbps invece si ottengono queste prestazioni:
Lettura sequenziale: 419
Scrittura sequenziale: 369
Lettura Random 4K Q1T1: 31
Scrittura Random 4K Q1T1: 40
TEST SU: PC Desktop X99 – I7 5930K – WINDOWS 10 Pro CON:
1) Porta USB-A (5Gbps) + cavetto USB-C accluso + adattatore USB-A accluso + cavo USB-A (1 Mt.)
Lettura sequenziale: 460
Scrittura sequenziale: 461
Lettura Random 4K Q1T1: 25
Scrittura Random 4K Q1T1: 37
TEST DI COPIA FILE REALE
Ho creato una cartella contenete svariati tipi di file e l’ho copiata sul SanDisk Extreme con il software gratuito FastCopy 4.2.2.
La cartella, per un totale di circa 9 GB, contiene:
1.4 Gb di file Mp3
529 Mb di file pdf e doc.
1.55 Gb di file di profili di Firefox
2.73 Gb di immagini in jpeg, psd, tiff etc.
1.4 Gb di un film in avi.
1.7 Gb di file multimediali in swf, wav etc.
1) SU NITRO 5 alimentato a batteria:
Con porta 10 Gbps e cavetto USB-C originale la copia della cartella dal disco di sistema (un WDC PC SN530 NVMe) è avvenuta in:
44 secondi con una media di 227.6 Mb/s.
2) SU NITRO 5 alimentato da rete elettrica:
Con porta 10 Gbps e cavetto USB-C originale la copia della cartella dal disco di sistema (un WDC PC SN530 NVMe) è avvenuta in:
27.3 secondi con una media di 368 Mb/s.
3) SU PC DESKTOP X99:
Con porta 5 Gbps e cavetto USB-C originale + adapter + cavo USB 3.0 di 1 Mt. la copia della cartella da un disco SATA interno (Samsung 850 Pro) è avvenuta in:
45.8 secondi con una media di 219 Mb/s.
Si noterà che in base al tipo di alimentazione del laptop e a pari condizioni di connessione i tempi di trasferimento differiscono. Questo accade, su questo laptop, perchè la velocità dei processori viene limitata quando è alimentato a batteria per preservare la durata della stessa mentre funzionano a piena potenza quando l’alimentazione proviene dalla rete elettrica. Un altra variabile, insieme alla scelta del piano energetico configurato in Windowsdi, di cui tenere conto quando si valutano le prestazioni di un disco.
Curioso inoltre notare come i tempi di traferimento del laptop alimentato a batteria e quelli del PC Desktop siano più o meno uguali malgrado quest’ultimo utilizzi un disco SATA e una connessione a 5Gbps aggravata da un cavo di proluga di 1 Mt.
Un ultima cosa da notare è come su PC Desktop e Windows 10 Pro il disco venga visto al boot come due unità. Penso dipenda dal fatto che l’adapter venga considerato come una “enclosure” ma questo non succede sul laptop con Windows 11. L’unica noia è rappresentata dal fatto che i programmi di analisi/benchmarking ci pensano su un bel pò prima di aprirsi e non tutti lo riconoscono e ne elencano le caratteristiche. CrystalDisk Info ci mette un pò ma alla fine presenta correttamente il suo resoconto.
Questo potrebbe dipendere dalla gestione USB di Windows 10 o da 1000 altre cause e ovviamente accade sul mio sistema. Non è detto che accada sul vostro.
CONCLUSIONI
Il disco si comporta secondo le aspettative e credo che vada benissimo per le esigenze dell’utente medio. Vediamo come va in termini di durata. La garanzia di Sandisk è di 5 anni.
Perchè 4 stelle e non 5? Per via dell’assenza del cavetto USB-A.
UPDATE 08/2023 – ATTENZIONE
Mi sembra doveroso segnalare che da alcuni mesi si registrano problemi con il firmware di queste unità sia su WIN che su MAC:
– SanDisk Extreme Portable 4TB (SDSSDE61-4T00)
– SanDisk Extreme Pro Portable 4TB (SDSSDE81-4T00)
– SanDisk Extreme Pro 2TB (SDSSDE81-2T00)
– SanDisk Extreme Pro 1TB (SDSSDE81-1T00)
– WD My Passport 4TB (WDBAGF0040BGY)
Il comportamento delle unità difettose comporta la perdita dei dati e l’impossibilità per il sistema operativo di “vedere” il disco.
WESTERN DIGITAL/SANDISK mette a disposizione sul sito di Western Digital uno strumento di verifica del prodotto ed eventuale download della patch per il firmware difettoso.
Debabrata Sarkar –
Have three SanDisk external SSDs including this recent purchase—one 2TB and two 4TB. They appear to be most reliable and trusted devices for Mac. Most importantly, not on a single occasion, they have any problem in getting properly ejected across MacBook Pro platforms, be it of AMD64 or ARM64 architecture. Whereas other brands frequently fail to negotiate properly and thus force-ejected which isn’t recommended at all. Agreed that the bottom rubberised mat gathers dust, but it offers no-slip when being placed on the MBP’s aluminium top. Just needs to brush off the dust. It cannot be an issue. R/W speed is more than sufficient for the GB data. It’s also ideal for Time Machine backup; just need to be formatted to APFS for the Silicon MBP and to MacOS Journaled for the Intel MBP. Overall, I strongly recommend this product for regular high-throughput uses.
Caleb –
Versatile and blazingly fast portable SSD with AES encryption feature. For the price it’s a deal steal. Well how long it last remains to be seen in the coming days. Go for it.