WD_BLACK SN850X vs SK hynix Platinum P41 for PS5
PS5, PS5 Slim and PS5 Pro storage, ranked by value on Amazon.co.uk
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Pick the WD_BLACK SN850X for a heatsink version that is known to fit the bay. On loading times the two are level in a PS5, so a clear price advantage for the Platinum P41 would tip it the other way. 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.
WD_BLACK SN850X against Platinum P41, spec for spec
| WD_BLACK SN850X | SK hynix Platinum P41 | |
|---|---|---|
| PS5 compatible | Yes | Yes |
| Interface | PCIe Gen4 | PCIe Gen4 |
| Read speed (up to) | 7,300 MB/s | 7,000 MB/s |
| Speed inside a PS5 | Gen4 link | Gen4 link |
| DRAM cache | Yes | Not stated by maker |
| NAND | TLC | TLC |
| Endurance per TB | 600 TBW | 600 TBW |
| Heatsink for PS5 | Version fits | None, sold bare |
| Officially licensed | No | No |
| Largest size | 8TB | 2TB |
| Cheapest 2TB-class listing today | £399.63 (£199.82/TB) | None in stock |
Our pick
Pick the WD_BLACK SN850X for a heatsink version that is known to fit the bay. On loading times the two are level in a PS5, so a clear price advantage for the Platinum P41 would tip it the other way.
Today only the WD_BLACK SN850X has a compatible new listing in stock, at £399.63 (£199.82/TB), as of 21 October 2026.
What each drive has going for it
WD_BLACK SN850X
- WD's mainstream Gen4 performer.
- Compatible.
- Rated endurance: 600 TBW per terabyte.
Platinum P41
- SK hynix rates the 1TB and 2TB models at 7,000 MB/s read and 6,500 MB/s write (4,700 MB/s write at 500GB), with 750 TBW at 1TB and 1,200 TBW at 2TB.
- Compatible.
- Rated endurance: 600 TBW per terabyte.
Keep comparing
Start with the two model pages, WD_BLACK SN850X and SK hynix Platinum P41, 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
Useful next steps: All models, 2TB, With heatsink, Cheapest PS5 SSD, PS5 SSD requirements, Best value PS5 SSD.
Frequently asked questions
Is the WD_BLACK SN850X or the SK hynix Platinum P41 better for the PS5?
Pick the WD_BLACK SN850X for a heatsink version that is known to fit the bay. On loading times the two are level in a PS5, so a clear price advantage for the Platinum P41 would tip it the other way.
Which is cheaper today, the WD_BLACK SN850X or the Platinum P41?
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 WD_BLACK SN850X or the Platinum P41?
In practice they are level. The WD_BLACK SN850X quotes 7,300 MB/s and the Platinum P41 7,000 MB/s, and both are past the point where extra speed shortens PS5 loading.
Which has a heatsink that fits the PS5, the WD_BLACK SN850X or the Platinum P41?
WD_BLACK SN850X: version fits. SK hynix Platinum P41: none, sold bare. 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.