Nextorage NEM-PA vs WD_BLACK SN850X for PS5
PS5, PS5 Slim and PS5 Pro storage, ranked by value on Amazon.co.uk
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Call it a draw on everything a PS5 cares about. The cheaper of the two per terabyte is the right one to buy. 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.
NEM-PA against WD_BLACK SN850X, spec for spec
| Nextorage NEM-PA | WD_BLACK SN850X | |
|---|---|---|
| PS5 compatible | Yes | Yes |
| Interface | PCIe Gen4 | PCIe Gen4 |
| Read speed (up to) | 7,300 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 | Fitted as standard | Version fits |
| Officially licensed | No | No |
| Largest size | 8TB | 8TB |
| Cheapest 2TB-class listing today | None in stock | £399.63 (£199.82/TB) |
Our pick
Call it a draw on everything a PS5 cares about. The cheaper of the two per terabyte is the right one to buy.
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
NEM-PA
- Nextorage was founded by former Sony engineers and began as a Sony joint venture; Phison bought Sony's stake in 2022.
- Compatible.
- Rated endurance: 700 TBW per terabyte.
WD_BLACK SN850X
- WD's mainstream Gen4 performer.
- Compatible.
- Rated endurance: 600 TBW per terabyte.
Keep comparing
Each drive has its own page with a full spec sheet and every live listing: Nextorage NEM-PA and WD_BLACK SN850X. For the wider field see all 2TB PS5 SSDs, PS5 SSDs with a heatsink and the cheapest PS5 SSDs. The rules both drives are judged against are in PS5 SSD requirements, and more pairings are on the model index.
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
Which wins for PS5, the NEM-PA or the WD_BLACK SN850X?
Call it a draw on everything a PS5 cares about. The cheaper of the two per terabyte is the right one to buy.
Does the NEM-PA or the WD_BLACK SN850X cost less right now?
Today only the WD_BLACK SN850X has a compatible new listing in stock, at £399.63 (£199.82/TB), as of 21 October 2026.
Is there a speed difference between the NEM-PA and WD_BLACK SN850X in a PS5?
Not one you will notice. The PS5 slot is PCIe Gen4, and once a drive clears about 5,500 MB/s, game load times are close to identical. The NEM-PA is rated at 7,300 MB/s and the WD_BLACK SN850X at 7,300 MB/s.
What are the heatsink options for the NEM-PA and WD_BLACK SN850X?
Nextorage NEM-PA: fitted as standard. WD_BLACK SN850X: version fits. A bare drive of either model needs a slim heatsink, within 11.25mm overall.
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