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SanDisk Ultra II SSD 960 GB Sata III 2.5 inch Internal SSD up to 550 MB/s - Black

4.6 out of 5 stars 758 customer reviews
| 105 answered questions

RRP: £258.90
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32 new from £205.96 2 used from £199.00
960 GB
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  • Up to 28x better performance than a typical hard disk drive
  • No-wait boot up and shut down
  • Faster app load and response times
  • Up to 15 per cent longer battery life
  • nCache 2.0 technology delivers enhanced speed and endurance
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Frequently Bought Together

  • SanDisk Ultra II SSD 960 GB Sata III 2.5 inch Internal SSD up to 550 MB/s - Black
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  • Sabrent 2.5 Inch to 3.5 Inch Internal Hard Disk Drive Mounting Kit (BK-HDDH)
Total price: £226.50
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Size Name: 960 GB

Product Information

Size: 960 GB
Technical Details
BrandSanDisk
Item Weight18 g
Product Dimensions0.7 x 10.1 x 7 cm
Item model numberSDSSDHII-960G-G25
Series960GB Ultra II
ColorBlack
Hard Drive Size960 GB
Hard Drive InterfaceSerial ATA-600
Connectivity TypeNo
  
Additional Information
ASINB00M8ABHVQ
Best Sellers Rank 1,349 in Computers (See top 100)
Shipping Weight82 g
Date First Available22 Aug. 2014
  
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Product Description

Size Name:960 GB

Product Description

SanDisk Ultra II SSD 960 GB Sata III 2.5 inch Internal SSD up to 550 MB/s - Black.

Box Contains

SanDisk Ultra II - Solid state drive - 960 GB - internal - 2.5" - SATA 6Gb/s


From the Manufacturer

Capacities [**] 120 GB, 240 GB, 480 GB 480/960 GB 480/960 GB
Sequential speeds [*] (read/write) Up to 535 MB/s / 445 MB/s Up to 550 MB/s/500 MB/s Up to 550 MB/s/520 MB/s
Random speeds [*] (read/write) N/A Up to 99K IOPS/83K IOPS Up to 100K IOPS/90K IOPS
Performance tech ADD - SLC caching improves burst write performance, making it ideal for typical PC workloads. nCache 2.0 technology delivers enhanced speed and endurance nCache Pro technology uses a two-tiered caching architecture to optimise speed and endurance 24-7-365
Shock and vibration resistance [3] Shock resistant, vibration resistant and temperature proof (from 0 to 70 Degrees Celsius) Shock resistant, vibration resistant and temperature proof (from 0 to 70 Degrees Celsius) Shock resistant, vibration resistant and temperature proof (from 0 to 70 Degrees Celsius)
Thermal throttling
Drive monitoring SanDisk SSD Dashboard for real-time drive status SanDisk SSD Dashboard for real-time drive status SanDisk SSD Dashboard for real-time drive status
The range SanDisk SSD Plus SanDisk Ultra II SanDisk Extreme PRO

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 960 GB Verified Purchase
Wow, this is genuinely the best and most noticeable upgrade I've ever done to a computer. I have a 2012 Macbook Pro 12" with 8Gb RAM, it did have the standard 5400RPM HDD before this upgrade. After the upgrade to Yosemite the Macbook was taking just over one minute to boot to the login screen, I tried everything and managed to cut this by only ten second, even more frustrating.

Eventually I bought this SandDisk Ultra II 960Gb SSD and a USB 3.0 external enclosure. Firstly the size of the SSD took me by surprise, it's only a small box and when you open it theirs simply the SSD, spacer and installation guide. I fitted the SSD into the external enclosure and cloned my Macbook's HDD to the SSD, this took around five hours so I left it overnight. In the morning before work I quickly swapped the drives (following an easy Macbook specific online guide) and booted up the Macbook.

Wow

The Macbook now boots to login screen in twelve seconds (it used to take just over one minute). Overall everything is faster and snappier, files copy instantly and Photoshop opens almost instantly. i would recommend this upgrade to anybody looking to massively improve their computer's performance.

Quick tip: If installing on a MacBook make sure you've set this as your boot drive in Settings, also enable TRIM.
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Size: 480 GB Verified Purchase
This SSD is great. Purchased during Black Friday sales for £80. Didn't clone my old operating system, opted for fresh install of Windows 10. Install was as easy as any other and boot speeds are great. What I haven't seen on here are any Crystal Disk Mark results so I'm uploading mine.
-----------------------------------------------------------------------
CrystalDiskMark 5.1.0 x64 (C) 2007-2015 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

Sequential Read (Q= 32,T= 1) : 542.878 MB/s
Sequential Write (Q= 32,T= 1) : 502.477 MB/s
Random Read 4KiB (Q= 32,T= 1) : 287.248 MB/s [ 70128.9 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 224.559 MB/s [ 54824.0 IOPS]
Sequential Read (T= 1) : 523.649 MB/s
Sequential Write (T= 1) : 462.183 MB/s
Random Read 4KiB (Q= 1,T= 1) : 35.342 MB/s [ 8628.4 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 99.463 MB/s [ 24283.0 IOPS]

Test : 1024 MiB [C: 14.0% (62.7/446.6 GiB)] (x5) [Interval=5 sec]
Date : 2015/12/08 21:45:08
OS : Windows 10 Professional [10.0 Build 10586] (x64)

Hope this helps anyone who was interested.
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Size: 960 GB Verified Purchase
My laptop is no longer the slow and frustrating machine it once was. It boots up quickly and all the programmes that used to take ages to open (Chrome, Photoshop, Spotify etc) now open instantly. It wasn't entirely straightforward to change from the HDD to the SSD, but neither was it the nightmare I had feared.

In case anyone else has any trouble making the change, these are the issues I faced and how I overcame them: Firstly I bought an external hard drive enclosure with a USB3 connection. I popped the new SSD in the enclosure and plugged it in the laptop's USB. I was expecting to see it come up as a drive with a letter, but it didn't. I'm not sure if the next step was even necessary in the end, but I went into Disk Management (right-click Windows icon in bottom-left of screen and select Disk Management). Anyway, sure enough it showed up there and I manually assigned it a path and drive letter, but as I say, I'm not sure I need have bothered.

The next issue was finding software that would make the clone. First I tried EZ Gig IV which you're able to use free with a Sandisk product purchase, but it kept getting stuck at 86% due to some bad sectors error or something. Next Macrium Reflect which looked simple and was recommended by a lot of people, but seemed unable to deal with the issue of the SSD capacity being slightly smaller than the HDD despite the HDD not being full. Next up was EaseUS DiskCopy. I can't remember what the issue was with it, but I couldn't get it to work anyway. Finally I used Arconis True Image which is a paid for programme (maybe you can find a demo version or something, I'm not sure) and worked perfectly and only took 45 minutes to run.

After that I just swapped the drives, turned the laptop back on and held my breath expecting problems, but to my amazement it booted up in seconds and has been absolutely fine since. Best computer upgrade I've ever made!
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Size: 240 GB
I was looking for a cheap SSD that isn't the Samsung 840 or 850 series (which has exhibited some data corruption problems with TRIM, see the news), yet is fast enough for 2011 Macbook Pro.

I have been using this for the last 2 months and couldn't be happier. The system boots in 15 seconds.

Since a recent Yosemite update Apple has enabled TRIM support for third party drives again (use the command 'trimforce', for more see http://www.imore.com/os-x-10104-and-trim-support-should-you-turn-it). That also means FileVault can be enabled and won't deteriorate the speed and lifetime of the device. Without TRIM, FileVault would mess with wear-leveling of the SSD.

This is a 7mm thick drive. It comes with an extra piece of plastic to make it 9mm, however this plastic must be glued on. The Macbook originally came with a 9mm HDD, but given you have to screw the drive in all four sides into a caddy, there was no point adding this to it.

Note that this drive comes with a 3 year warranty, only the Extreme II and Extreme Pro come with 5 and 10 years, respectively.
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