Lexar NM790 4TB for PS5: live price and fit
PS5, PS5 Slim and PS5 Pro storage, ranked by value on Amazon.co.uk
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The cheapest Lexar NM790 4TB is £589.59 new on Amazon.co.uk as of 21 October 2026. That is £147.40/TB, also the best value per TB at this size. At this size it reads at up to 7,400 MB/s with 3,000 TBW of endurance. 4TB is for large or shared libraries. It holds about 53 big games at an average of 75GB each, at a higher outlay than most players need.
PS5 requirements as published in Sony's M.2 SSD support page. Prices from Amazon.co.uk.
Lexar NM790 4TB: the numbers at this size
| Spec | Value |
|---|---|
| Capacity | 4TB (about 53 games at 75GB each) |
| Sequential read at this size | 7,400 MB/s |
| Endurance at this size | 3,000 TBW |
| PS5 compatible | Yes |
| Heatsink | Heatsink version fits |
Figures are the maker's published "up to" ratings, checked October 2026 against the maker's sheet 1 and the maker's sheet 2.
Is 4TB of the NM790 enough?
4TB is for large or shared libraries. It holds about 53 big games at an average of 75GB each, at a higher outlay than most players need.
Full background on the drive is on the Lexar NM790 page. To compare this size across every brand, see all 4TB PS5 SSDs.
NM790 4TB against its other sizes
| Size | Cheapest new price | Price per TB |
|---|---|---|
| Lexar NM790 4TB (this page) | £589.59 | £147.40/TB |
| Lexar NM790 1TB | £185.79 | £185.79/TB |
| Lexar NM790 2TB | £303.99 | £152.00/TB |
| Lexar NM790 8TB | £1,799.99 | £225.00/TB |
Cheapest compatible new listing per size on Amazon.co.uk, as of 21 October 2026.
Rivals at 4TB: live prices
| Drive | Read speed | Price | Price per TB |
|---|---|---|---|
| Acer Predator GM7000 | 7,400 MB/s | £514.99 | £128.75/TB |
| Silicon Power US75 | 7,000 MB/s | £519.99 | £130.00/TB |
| WD_BLACK SN7100 | 7,250 MB/s | £829.73 | £207.43/TB |
The tracked models nearest the Lexar NM790 in class and rated speed, each at its cheapest compatible new 4TB listing on Amazon.co.uk, as of 21 October 2026.
Heatsink fit at this capacity
The heatsink version of the Lexar NM790 fits the PS5 expansion bay, on the PS5, PS5 Slim and PS5 Pro. For reference, Sony's M.2 SSD requirements allow a module up to 11.25mm thick and 25mm wide.
Higher capacities are often double-sided boards. That does not change the PS5 limit, which already allows up to 2.45mm below the board, but it does matter for clip-on heatsinks with a thin base plate.
Compatible drives, live prices
| Product | Capacity | Price | Price per TB | Tech | Prime | Buy |
|---|---|---|---|---|---|---|
| Lexar NM790 SSD with Heatsink 4TB PCIe Gen4 NVMe M.2 2280 Internal Solid State Drive, Up to 7400MB/s, Compatible with PS5, for Gamers and Creators (LNM790X004T-RN9NU) | 4 TB | £589.59 | £147.40 | NVMeHeatsinkFits PS5 | Prime | Buy on Amazon |
| Lexar NM790 4TB SSD with Heatsink, M.2 2280 PCIe Gen4 NVMe SSD | Up to 7400MB/s Read, Up to 6500MB/s Write, Internal Solid State Drive for PS5, PC, Laptop, Gamers | 4 TB | £649.99 | £162.50 | NVMeHeatsinkFits PS5 | - | Buy on Amazon |
Related comparisons and guides
More to read: All models, 2TB, With heatsink, Cheapest PS5 SSD, PS5 SSD requirements, The 11.25mm height rule.
Frequently asked questions
How much is the Lexar NM790 4TB for PS5 today?
The cheapest compatible new listing is £589.59, as of 21 October 2026. That is £147.40/TB, also the best value per TB at this size.
How far does 4TB go on a PS5?
Around 53, counting 75GB per game. Sizes vary a lot: some games are under 30GB and a few exceed 140GB.
How many terabytes written is the 4TB NM790 rated for?
Its rating at this size is 3,000 TBW. A console writes mainly when installing and updating games, which is a small fraction of that.
Is the 4TB Lexar NM790 fast enough for the PS5?
Yes. At 7,400 MB/s it is above Sony's recommended 5,500 MB/s.
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Last updated: 2026-10-20 12:06:56 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.