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WD Blue SN550 500GB High-Performance M.2 PCIe NVME SSD

4.8 out of 5 stars 5,554 ratings
New & Used (20) from £43.82 & FREE Delivery
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Colour: Blue
Capacity: 500GB
500GB
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About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • Nvme goes mainstream with a powerful, cost-effective storage solution that adds to the reliability of an SSD
  • Get breakneck sequential read speeds up to 2, 400 MB/s to improve your productivity no matter what you’re doing or creating
  • Build powerful small-form factor PCs with a slim single-sided M.2 2280 PCIe Gen3 x4 NVMe SSD
  • Scalable NVMe hardware, accelerated architecture for high performance and low power draw
  • Western digital-designed controller and firmware paired with our latest 3D NAND for optimized, consistent performance
  • Color: Blue
  • WDS500G2B0C
  • WESTERN DIGITAL
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Customer Rating 4.8 out of 5 stars (5554) 4.8 out of 5 stars (1573) 4.3 out of 5 stars (10) 4.6 out of 5 stars (10252) 4.8 out of 5 stars (1918) 4.6 out of 5 stars (336)
Price From £43.74 £59.99 £49.98 £41.99 £49.98 £43.00
Shipping — FREE Delivery . Delivery Details FREE Delivery . Delivery Details FREE Delivery . Delivery Details FREE Delivery . Delivery Details FREE Delivery . Delivery Details
Sold By Available from these sellers Amazon.co.uk Amazon.co.uk Amazon.co.uk Amazon.co.uk ICHANGEPRO LDA
Data Transfer Rate 8 Gb per second 3100 Mb per second 0 MB per second 2300 MB per second 3430 Mb per second 2100 Mb per second
Device Type Solid State Drive, Internal Drive Internal Drive — Solid State Drive Internal —
Digital Storage Capacity 500 GB 500 GB 500 GB 500 GB 500 GB 500 GB
Flash Memory Installed 500 500 500 500 500 500
Item Dimensions 8 x 2.2 x 0.24 cm 8.01 x 2.21 x 0.24 cm 8 x 2.21 x 0.24 cm 7.98 x 0.2 x 2.18 cm 8 x 2.42 x 0.81 cm 8 x 2.2 x 0.35 cm
Item Weight 7 grams 8 grams 6.35 grams 17 grams 7.71 grams 6 grams
Memory Storage Capacity 500 GB 500 GB 500 GB 500 GB 0 GB 500 GB
Read Speed 2400 MB per second 3100 MB per second 3500 MB per second 2400 MB 3430 MB per second 2100 MB per second
Size 500GB 500GB 500GB 500 GB 500GB 500G
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Product information

Colour:Blue  |  Capacity:500GB

Technical Details

Additional Information

Warranty & Support

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Product guides and documents

Installation Manual (PDF)
Specification Sheet (PDF)

From the manufacturer

Header
Header2

Storage

The right storage for your next PC

NVMe goes mainstream with a powerful, cost-effective storage solution that adds to the reliability of an SSD.

Performance

Boost your performance

Get breakneck sequential read speeds up to 2,400 MB/s to improve your productivity no matter what you’re doing or creating.

Do more with less

Do more with less

Scalable NVMe hardware and accelerated architecture enable both high performance and low power consumption that maxes out at only 3.5W.

Legacy

Continuing the legacy

Thousands of hours of hardware, firmware and validation testing combine to advance the award-winning WD Blue heritage of quality and reliability.

WD Blue SN550 NVMe SSD

Avail. up to 1TB

Capacity

Avail. up to 2TB

PCIe Gen3 x4

Interface

PCIe Gen3 x4

M.2 2280

Form Factor

M.2 2280

Up to 2,400MB/s

Sequential Read

Up to 3,470MB/s

Up to 1,950MB/s

Sequential Write

Up to 3,000MB/s

Up to 600

TBW

Up to 600

Avail. up to 1TB

Capacity

Avail. up to 2TB

PCIe Gen3 x4

Interface

PCIe Gen3 x4

M.2 2280

Form Factor

M.2 2280

Up to 2,400MB/s

Sequential Read

Up to 3,470MB/s

Up to 1,950MB/s

Sequential Write

Up to 3,000MB/s

Up to 600

TBW

Up to 600

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Customer Questions & Answers
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Customer reviews

4.8 out of 5 stars
4.8 out of 5
5,554 global ratings
5 star
85%
4 star
10%
3 star
2%
2 star
1%
1 star
1%

Top reviews from United Kingdom

L. Coleman
5.0 out of 5 stars Great for gaming rigs
Reviewed in the United Kingdom on 26 February 2020
Colour: BlueCapacity: 1TBVerified Purchase
115 people found this helpful
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SnakeFighter
3.0 out of 5 stars Controversial...
Reviewed in the United Kingdom on 27 August 2021
Colour: BlueCapacity: 2TBVerified Purchase
58 people found this helpful
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TJ
5.0 out of 5 stars More than good enough for games or mass storage
Reviewed in the United Kingdom on 5 May 2020
Colour: BlueCapacity: 1TBVerified Purchase
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5.0 out of 5 stars More than good enough for games or mass storage
By TJ on 5 May 2020
I bought the WD 1TB SN550 to store games and to complement my smaller 970 Evo Plus NVME (used for Windows). The attached benchmark shows the 970 Evo on the left and the WD Blue on the right. As you can see, the WD Blue is significantly slower at sequential reading/writing (so is not the best for heavy duty workflows) but is right up there for random reading and writing, which is what matters when gaming and for other general usage.

NVME drives are already overkill for most uses. There is no need to go even further by buying a more expensive and faster drive (like the 970) than this one unless you have a specific need for it. If you don't know whether you have such a need, you almost certainly don't and this will do everything you could want at top speed.
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79 people found this helpful
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TechnologyEnthusiast44
5.0 out of 5 stars PERFECT if you are looking to UPGRADE your laptop/PC to an SSD
Reviewed in the United Kingdom on 10 May 2020
Colour: BlueCapacity: 250GBVerified Purchase
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5.0 out of 5 stars PERFECT if you are looking to UPGRADE your laptop/PC to an SSD
By TechnologyEnthusiast44 on 10 May 2020
I really like WD's products and have found them to be very reliable so I bought one of their SN550 Blue M.2 PCIe NVMe SSDs which I knew would give a hugely significant performance boost (see images for comparison: before and after) as before I had a 1TB WD HDD which came with my Dell Inspiron 5570. The storage capacity (250GB) of this new SSD is perfect for my needs as I don't store any of my personal data on it (it is purely for the operating system and programs alone). I use the original 1TB WD HDD that came with my laptop for all of my personal data as it has a 2.5" HDD bay and also an M.2 slot so I can have dual drives. You can opt for a bigger version of this model such as 500GB or 1TB if you require more space.

This was incredibly easy to install, all I had to do was remove the back cover of my laptop, then locate the M.2 drive bay slot, insert the drive into the slot the correct way around and then screw the screw into the other end to secure it (my laptop came with this screw already inside, depending on your make and model, you may need to purchase a screw as well).

You can then either clone your disk (copy everything that was on the pervious disk you used) using software such as Macrium Reflect (free for home use) or Acronis True Image (30-day free trial) or if you're like me and want a complete fresh start you can install Windows 10 with a bootable USB drive which you can create using Microsoft's Media Creation Tool on their website. Once you've installed Windows 10, it should automatically activate as your product key stays with the computer even if just some of the components are replaced such as the RAM and SSD.

Overall, I would highly recommend this SN550 Blue M.2 PCIe NVMe SSD from WD as it offers great performance for a reasonable price. Upgrading your memory and SSD are the two most significant upgrades you can make to your laptop/PC to improve performance and efficiency.
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51 people found this helpful
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Andrei
5.0 out of 5 stars Best of the budget NVMe SSDs
Reviewed in the United Kingdom on 23 November 2020
Colour: BlueCapacity: 1TBVerified Purchase
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5.0 out of 5 stars Best of the budget NVMe SSDs
By Andrei on 23 November 2020
Update: Several outlets are reporting WD has made some changes to this drive that will drop sustained (post-uSLC cache) write speeds from 850MB/s to 400MB/s, which is disappointing. It's still a good drive for the price but I wanted to give out a fair warning.
Old review:
This is a really good little budget NVMe SSD. It's single sided so it should work with enclosures or laptop slots that have that restriction and more importantly performance is great.
The controller is an in house WD design that uses HMB (a small 64MB chunk of your system RAM) for mapping tables and the NAND used is 96 Layer Toshiba/Sandisk BiCS4 TLC, rated for 600TBW. The SN550 also seems to be thermally optimized by keeping the NAND package further away from the controller, which seems to do the trick since I didn't notice any thermal throttling issues thus far.
Like all SSDs, write performance will drop if you hammer it with writes, but not as drastically as some of the others that I've had. Once you write 10~20GB of data to it and the uSLC cache gets filled, the drive will drop to a very respectable direct to TLC write speed of 850~900MB/s (for reference, a Crucial P1 1TB will drop to 120~200MB/s in a similar scenario). After a small idle period the uSLC cache should be freed up again to allow it to reach the rated write speeds again.
I've only managed to test it via an NVMe to PCIe X4 adapter that was stuck in a PCIe gen 2 slot, so I was limited by the interface, but the SN550 still shined in AS SSD (screenshot attached).

Overall I really can't fault it, it's a great little NVMe for the price.
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36 people found this helpful
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