Amazon.co.uk:Customer reviews: SanDisk Extreme 1TB Portable NVMe SSD, USB-C, up to 1050MB/s Read and 1000MB/s Write Speed, Water and Dust-Resistant, Black
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  • SanDisk Extreme 1TB Portable NVMe SSD, USB-C, up to 1050MB/s Read and...
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Customer reviews

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SanDisk Extreme 1TB Portable NVMe SSD, USB-C, up to 1050MB/s Read and 1000MB/s Write Speed, Water and Dust-Resistant, Black

SanDisk Extreme 1TB Portable NVMe SSD, USB-C, up to 1050MB/s Read and 1000MB/s Write Speed, Water and Dust-Resistant, Black

bySanDisk
Colour: BlackCapacity: 1TBStyle Name: Extreme 1050MB/sChange
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Top positive review

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JB
5.0 out of 5 starsFast, good for sustained use and compatible with ipad Pro 2018 & iMac 2020
Reviewed in the United Kingdom on 4 April 2021
Are you finding researching a new SSD a complete minefield? Theres so many out there and I didn't know what to buy. I had 3 questions that I had to answer to come to my decision. Spoiler...they are not all equal!

1. Q: is it compatible with my iMac 2020 and iPad Pro 2018? (I'd read loads about compatibility issues and even contacted SanDisk who wouldn't commit to a clear answer). A: so far it works well with both, but see the speed results below.
2. Q: what speed does it give in real life? (I wanted to have around 1000 MBPS read and write speed even after sustained use). A: I did a Speedtest (Black Magic) through the Mac and it's giving approx. 950 MBPS read and write via the iMacs TB3 and USB port, which I'm very happy with. Remember, this is not a TB3 SSD. To get the full-rated 2000 MBps you'd need to use this with a USB 3.2 X2 port which my 2020 Mac doesn't have. Speed when connected to iPad? I'm not sure yet, but I'll revise this once I've worked it out. It's very decent though.
3. Q: why this particular SSD if you can't get the full speed out of it anyway?
A1: it's fast enough for my needs right now, but it's heavily future proofed for when speedier ports become available on Macs or iPads.
A2: it out performed similarly priced drives (Samsung T7, T5, Crucial X8, LaCie Rugged) and held its own against more expensive drives like Samsung X5, LaCie Rugged Pro, WD Black) with regards to speed and throttling, even after sustained use when transferring big files. (Throttling due to heat is a problem with many SSDs and claimed headline speeds aren't achieved in real life due to this).
A3: it's small, seems durable for travelling and has no sharp edges to scratch other equipment. It comes with a USB-C to USB-C and a USB-C to USB-A cable. Both are a good length (approx. 30cm) for placement behind an iMac.
A4: Its got a 5 year warranty.

My question was… Should I go for the Extreme V2 (non-Pro version) rated at 1000 MBPS and save myself £45? The reviews are coming up decent as well for that one. Not quite as fast over sustained use, (approximately 800-ish), but if you don't ever see yourself ever getting a USB3.2 X2 machine, that would be my second choice.
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136 people found this helpful

Top critical review

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P. van Win
3.0 out of 5 starsGood ... But
Reviewed in the United Kingdom on 5 March 2021
This was purchased for use as additional drive for M1 Mac Min which has only 256G drive built in.

It worked as intended but became very warm even if it was doing nothing, just being connected. Whether or not this is normal I don't know, but I do know that excessive heat shortens the life of SSDs.

It also disconnected from the computer intermittently, with the OS thinking that it had been removed, so was proving to be unreliable. Returned for refund, with no problems there.

I note that there have been other buyers who have had the same problems.
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160 people found this helpful

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From United Kingdom

P. van Win
3.0 out of 5 stars Good ... But
Reviewed in the United Kingdom on 5 March 2021
Colour: BlackCapacity: 500GBStyle Name: Extreme 1050MB/sVerified Purchase
This was purchased for use as additional drive for M1 Mac Min which has only 256G drive built in.

It worked as intended but became very warm even if it was doing nothing, just being connected. Whether or not this is normal I don't know, but I do know that excessive heat shortens the life of SSDs.

It also disconnected from the computer intermittently, with the OS thinking that it had been removed, so was proving to be unreliable. Returned for refund, with no problems there.

I note that there have been other buyers who have had the same problems.
160 people found this helpful
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JB
5.0 out of 5 stars Fast, good for sustained use and compatible with ipad Pro 2018 & iMac 2020
Reviewed in the United Kingdom on 4 April 2021
Colour: BlackCapacity: 1TBStyle Name: Extreme Pro 2000MB/sVerified Purchase
Are you finding researching a new SSD a complete minefield? Theres so many out there and I didn't know what to buy. I had 3 questions that I had to answer to come to my decision. Spoiler...they are not all equal!

1. Q: is it compatible with my iMac 2020 and iPad Pro 2018? (I'd read loads about compatibility issues and even contacted SanDisk who wouldn't commit to a clear answer). A: so far it works well with both, but see the speed results below.
2. Q: what speed does it give in real life? (I wanted to have around 1000 MBPS read and write speed even after sustained use). A: I did a Speedtest (Black Magic) through the Mac and it's giving approx. 950 MBPS read and write via the iMacs TB3 and USB port, which I'm very happy with. Remember, this is not a TB3 SSD. To get the full-rated 2000 MBps you'd need to use this with a USB 3.2 X2 port which my 2020 Mac doesn't have. Speed when connected to iPad? I'm not sure yet, but I'll revise this once I've worked it out. It's very decent though.
3. Q: why this particular SSD if you can't get the full speed out of it anyway?
A1: it's fast enough for my needs right now, but it's heavily future proofed for when speedier ports become available on Macs or iPads.
A2: it out performed similarly priced drives (Samsung T7, T5, Crucial X8, LaCie Rugged) and held its own against more expensive drives like Samsung X5, LaCie Rugged Pro, WD Black) with regards to speed and throttling, even after sustained use when transferring big files. (Throttling due to heat is a problem with many SSDs and claimed headline speeds aren't achieved in real life due to this).
A3: it's small, seems durable for travelling and has no sharp edges to scratch other equipment. It comes with a USB-C to USB-C and a USB-C to USB-A cable. Both are a good length (approx. 30cm) for placement behind an iMac.
A4: Its got a 5 year warranty.

My question was… Should I go for the Extreme V2 (non-Pro version) rated at 1000 MBPS and save myself £45? The reviews are coming up decent as well for that one. Not quite as fast over sustained use, (approximately 800-ish), but if you don't ever see yourself ever getting a USB3.2 X2 machine, that would be my second choice.
136 people found this helpful
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GLYN PARRY
1.0 out of 5 stars Possibly counterfeit!!!
Reviewed in the United Kingdom on 19 June 2021
Colour: BlackCapacity: 1TBStyle Name: 520MB/sVerified Purchase
I have recently used the 'extreme' version and have loved it. So when I needed more storage I ordered 2 of the newer ones.

The advert says that it comes with USB-C to USB-C with an adapter for USB-A. This is not so, and it just comes with a USB-A cable.

I wish I could report the speeds etc, but neither of the 2 I purchased work!!!! At first it was worrying that the first one wasn't recognised, but when the second one was the same I thought it could be my PC....... however after trying on another PC, and a MAC machine I could confirm 100% that both of the drives are faulty!!

The actual feel of the drives are also very concerning. The 'extreme' drive I got about a year ago feels solid and is black, as listed. These are a very very very cheap plastic, and are actually a deep blue.

I hope this is just a rogue batch, but has put me off the SanDisk SSDs
131 people found this helpful
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XIGMA PRINT
1.0 out of 5 stars gets too hot
Reviewed in the United Kingdom on 16 June 2021
Colour: BlackCapacity: 1TBStyle Name: Extreme 1050MB/sVerified Purchase
it gets too hot, the information transfer is less than 50MB per second is a scam, I transferred 100GB and it takes 55min not recommended, I do not return it because I throw the box, but if I could I would return it
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1.0 out of 5 stars gets too hot
By XIGMA PRINT on 16 June 2021
it gets too hot, the information transfer is less than 50MB per second is a scam, I transferred 100GB and it takes 55min not recommended, I do not return it because I throw the box, but if I could I would return it
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101 people found this helpful
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Kev the Gerbil
5.0 out of 5 stars Has Turbo Charged my PS4 Pro
Reviewed in the United Kingdom on 10 March 2021
Colour: BlackCapacity: 1TBStyle Name: Extreme 1050MB/sVerified Purchase
Edit: July 11th 2021
I have now, finally managed to get a spanking new PS5 console. All the PS4 games stored on the SanDisk are recognised by the PS5 and can be played directly from the extended storage. The speed gains for HZD mentioned below are still maintained.

Never, ever disconnect the SSD when the PS5 is in standby mode. Only remove it or reconnect it when the console is completely turned off otherwise you risk corrupting the entire SSD.
Also, do not connect it via the USB A connector on the front of the console. Either use the front USB C port or either of the rear ports.

This is a review for the SanDisk Extreme 1TB Portable NVMe SSD

Was running out of space on my PS4 Pro and weighed up all the options for candidates for Extended Storage. With the prospect of eventually getting a PS5 (sigh), I wanted a device that would be somewhat future-proof when connected to the next-gen console.

The device is barely much larger than a credit card and about three or four credit cards thick. Connected it to the rear USB port and, because the supplied cable is so damn short, it had to rest on the top of the console which is not ideal given the amount of heat that the PS4 Pro chucks out. It was instantly recognized by the console and formatted for extended storage in a matter of seconds, giving about 930Gb of extra space.

Moving games from the internal disk to the Sandisk is simple. CyberPunk 2077, which is about 109Gb, took roughly 40 minutes so an average of 3Gb / min. This of course is limited by the read speed of the internal PS4 disk rather than the write speed of the Sandisk SSD.

The real test of course is in how much faster the games load so I did a test using Horizon Zero Dawn. My biggest gripe with this fabulous game is the long load times between location changes, especially if going from say Meridian to the Frozen Wilds Cut.

For those familiar with HZD, when you finish the game it puts you back at the start of the Looming Shadow quest, so that was my save point for this test.

With the game installed on the internal disk drive, the time taken from hitting "Continue" to getting control of Aloy was 2min 11secs. I then moved the game to the Sandisk Extended Storage and repeated the test. The time taken from hitting "Continue" to getting control of Aloy was dramatically reduced to just 46 seconds, a speed increase of almost triple. I then tested travelling to various remote campfires and the increased speed was maintained. This is an incredible result.

I then did various tests with God of War but did not notice any appreciable difference in load times although the initial load screen was definitely faster. I can only assume that some games may be better optimized than others. I will be testing it with Ghost of Tsushima in the near future.

So is it worth it?. If you play HZD then a very big YES.

The Cons:
Compared to a bog standard mechanical 1Tb external drive, it's £100 more expensive but you wouldn't gain any speed improvement. Looking ahead, however, I think it's worth paying the extra for an ultra fast SSD that will also do justice when connected to the next-gen PS5 console (big sigh again).

The supplied cable is way too short. I've now got it connected with a 1Meter USB A to C cable so it can be placed away from any heat sources. In actual use it only gets moderately warm.
87 people found this helpful
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DH
1.0 out of 5 stars VERY VERY slow and unreliable
Reviewed in the United Kingdom on 11 March 2021
Colour: BlackCapacity: 1TBStyle Name: Extreme 1050MB/sVerified Purchase
I've been very disappointed by this drive. Most of the time it operates slower than a standard hard disk, especially when transferring smaller files. I also find it drops out a lot and locks up or crashes my system.

I've tried different USB ports and different computers and it just doesn't work well at all. One of the more regrettable peripheral purchases I've made.
68 people found this helpful
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KM Williams
1.0 out of 5 stars Missing Adapter/Cable
Reviewed in the United Kingdom on 22 June 2021
Colour: BlackCapacity: 1TBStyle Name: 520MB/sVerified Purchase
I read the Q/A section before I bought this item and Shira from SanDisk Customer Care confirms the external SSD is shipped together with USB 3.1 Type-C connector and also includes a USB Type-C to Type-C cable and a Type-C to Type-A adapter.
It DOES NOT come with any adapters.
I have an iMac with 2x Thunderbolt 3 ports so I can't use this as it is - I need the adapter.......
Customer image
1.0 out of 5 stars Missing Adapter/Cable
By KM Williams on 22 June 2021
I read the Q/A section before I bought this item and Shira from SanDisk Customer Care confirms the external SSD is shipped together with USB 3.1 Type-C connector and also includes a USB Type-C to Type-C cable and a Type-C to Type-A adapter.
It DOES NOT come with any adapters.
I have an iMac with 2x Thunderbolt 3 ports so I can't use this as it is - I need the adapter.......
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61 people found this helpful
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Barwell1992
5.0 out of 5 stars Works perfectly for my intended use.
Reviewed in the United Kingdom on 6 January 2021
Colour: BlackCapacity: 1TBStyle Name: Extreme 1050MB/sVerified Purchase
Works perfectly to extend storage of my PS5 (only forPS4 games) it’s fast and very stable so far. I’ve noticed hardly any slowdown in load times and seems to still be faster than the PS4.
Customer image
5.0 out of 5 stars Works perfectly for my intended use.
By Barwell1992 on 6 January 2021
Works perfectly to extend storage of my PS5 (only forPS4 games) it’s fast and very stable so far. I’ve noticed hardly any slowdown in load times and seems to still be faster than the PS4.
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60 people found this helpful
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Sam
1.0 out of 5 stars Failed after 9 months use! (500 GB version)
Reviewed in the United Kingdom on 18 December 2021
Colour: BlackCapacity: 500GBStyle Name: Extreme 1050MB/sVerified Purchase
While it worked it was good. However it failed with a "no media detected" error after only 9 months. Perhaps I am unlucky (it was bought direct from Amazon to make sure it was genuine). The Computer detects it when plugged in but the Windows 10 storage management console shows a drive (not the letter I had assigned) but empty. Properties shows it as working properly but 0 space and no media. Windows Explorer blinks when you plug the drive in or unplug it but detects nothing.

I bought it to act as a back-up mirror for another 500GB SDD (a Samsung). Both are external drives and both encrypted with Bitlocker (Windows 10 NTFS). It, like the Samsung was left connected to the PC by USB3. I have back-up software running that mirrored changes from the main drive (the Samsung, not the internal drive) to the back-up at regular intervals while the computer is running.

I noticed that the back-up software was showing a device not found error for the Sandisk. Further investigation, plugging it into different USB ports, using different PCs and cables showed that, although the device registered it had no media. Dr Google shows this to be a common (?) failure for Sandisk Extreme SDDs. At least one disk recovery site says no recovery possible from such a failure. Nowhere could I find a suggested solution to fix the drive (other than sites touting you buy their recovery software).

This is the first SDD failure I have had. Although the data is completely lost on the disk, that is the whole purpose of having a back-up regime but it is still worrying. I have two other 2GB Sandisk Extreme SDDs, also used for mirrored back-ups, not as primary drives. I am now concerned whether they may fail catastrophically in the same way. Hopefully not at the same time.

So at the moment I should not recommend the Sandisk Extreme SDDs. I bought them because they were faster (on paper) and cheaper at the time than the equivalent Samsung T5/T7 I have been using. I think I shall revert to the Samsungs.

One good thing. Destroying the drive to prevent someone accessing it (yes I know it is encrypted and it is showing no media) is much easier than an equivalent hard drive. (Google disassembling to see how to open it). Incidentally, although some disassembly videos show that it is a standard PCI SDD that you can unplug (and at least one person was able to unplug their failed drive and use an alternative M2 (?) connector to recover their data) mine like others was all glued together so you could not extract the SDD itself from its socket without breaking them.
36 people found this helpful
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G. Hudson
1.0 out of 5 stars Persistent file corruption
Reviewed in the United Kingdom on 28 May 2021
Colour: BlackCapacity: 1TBStyle Name: Extreme 1050MB/sVerified Purchase
I have had persistent file corruption with this drive, brand new, April 2021. Ended up loosing a week of work.
58 people found this helpful
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