Sabrent Rocket 4 Plus vs WD_BLACK SN850X for PS5
PS5, PS5 Slim and PS5 Pro storage, ranked by value on Amazon.co.uk
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There is nothing to choose between them in a console. Both exceed the recommended speed and neither fits better than the other, so let today's price per terabyte decide. Today only the WD_BLACK SN850X has a compatible new listing in stock, at £399.63 (£199.82/TB), as of 21 October 2026.
PS5 requirements as published in Sony's M.2 SSD support page. Prices from Amazon.co.uk.
Side by side: Rocket 4 Plus and WD_BLACK SN850X
| Sabrent Rocket 4 Plus | WD_BLACK SN850X | |
|---|---|---|
| PS5 compatible | Yes | Yes |
| Interface | PCIe Gen4 | PCIe Gen4 |
| Read speed (up to) | 7,000 MB/s | 7,300 MB/s |
| Speed inside a PS5 | Gen4 link | Gen4 link |
| DRAM cache | Yes | Yes |
| NAND | TLC | TLC |
| Endurance per TB | 700 TBW | 600 TBW |
| Heatsink for PS5 | Version fits | Version fits |
| Officially licensed | No | No |
| Largest size | 8TB | 8TB |
| Cheapest 2TB-class listing today | None in stock | £399.63 (£199.82/TB) |
The verdict for PS5 owners
There is nothing to choose between them in a console. Both exceed the recommended speed and neither fits better than the other, so let today's price per terabyte decide.
Today only the WD_BLACK SN850X has a compatible new listing in stock, at £399.63 (£199.82/TB), as of 21 October 2026.
Reasons to pick each
Rocket 4 Plus
- Sabrent's PS5 heatsink (SB-PSHS) replaces the metal bay cover rather than sitting under it, so the usual height limit works differently.
- Compatible.
- Rated endurance: 700 TBW per terabyte.
WD_BLACK SN850X
- WD's mainstream Gen4 performer.
- Compatible.
- Rated endurance: 600 TBW per terabyte.
More on both drives
Start with the two model pages, Sabrent Rocket 4 Plus and WD_BLACK SN850X, for fit verdicts and live prices. Then widen the search: all 2TB PS5 SSDs, the cheapest PS5 SSDs, or only drives with a heatsink. PS5 SSD requirements explains the gate, and the model index lists further comparisons.
Compatible drives, live prices
Related comparisons and guides
Other places to go from here: All models, 2TB, With heatsink, Cheapest PS5 SSD, PS5 SSD requirements, Best value PS5 SSD.
Frequently asked questions
Is the Sabrent Rocket 4 Plus or the WD_BLACK SN850X better for the PS5?
There is nothing to choose between them in a console. Both exceed the recommended speed and neither fits better than the other, so let today's price per terabyte decide.
What is the price gap between the Rocket 4 Plus and the WD_BLACK SN850X?
Today only the WD_BLACK SN850X has a compatible new listing in stock, at £399.63 (£199.82/TB), as of 21 October 2026.
Do games load faster on the Rocket 4 Plus or the WD_BLACK SN850X?
In practice they are level. The Rocket 4 Plus quotes 7,000 MB/s and the WD_BLACK SN850X 7,300 MB/s, and both are past the point where extra speed shortens PS5 loading.
Which has a heatsink that fits the PS5, the Rocket 4 Plus or the WD_BLACK SN850X?
Sabrent Rocket 4 Plus: version fits. WD_BLACK SN850X: version fits. Whichever you choose must end up no thicker than 11.25mm with its heatsink on.
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Last updated: 2026-10-21 06:04:07 UTC. As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date indicated on Amazon.co.uk and are subject to change. Any price displayed at the time of purchase will apply. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.