WD_BLACK SN8100 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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As of 21 October 2026 the cheapest new WD_BLACK SN8100 4TB is £810.00. That is £202.50/TB, also the best value per TB at this size. At this size it reads at up to 14,900 MB/s with 2,400 TBW of endurance. With space for about 53 big games at 75GB each, 4TB is the buy-once choice for people who never uninstall anything.
PS5 requirements as published in Sony's M.2 SSD support page. Prices from Amazon.co.uk.
WD_BLACK SN8100 4TB: the numbers at this size
| Spec | Value |
|---|---|
| Capacity | 4TB (about 53 games at 75GB each) |
| Sequential read at this size | 14,900 MB/s |
| Endurance at this size | 2,400 TBW |
| PS5 compatible | Yes |
| Heatsink | Add a low-profile heatsink |
Figures are the maker's published "up to" ratings, checked October 2026 against the maker's spec sheet.
Is 4TB of the WD_BLACK SN8100 enough?
With space for about 53 big games at 75GB each, 4TB is the buy-once choice for people who never uninstall anything.
For the drive's full spec sheet and other sizes, go to the WD_BLACK SN8100 page. For rival 4TB drives from every maker, go to all 4TB PS5 SSDs.
WD_BLACK SN8100 4TB against its other sizes
| Size | Cheapest new price | Price per TB |
|---|---|---|
| WD_BLACK SN8100 4TB (this page) | £810.00 | £202.50/TB |
| WD_BLACK SN8100 1TB | £219.00 | £219.00/TB |
| WD_BLACK SN8100 2TB | £449.99 | £225.00/TB |
| WD_BLACK SN8100 8TB | £1,600.00 | £200.00/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 |
|---|---|---|---|
| Crucial T710 | 14,900 MB/s | £676.09 | £169.02/TB |
| Crucial T705 | 14,100 MB/s | £679.12 | £169.78/TB |
| Samsung 9100 Pro | 14,800 MB/s | £764.88 | £191.22/TB |
The tracked models nearest the WD_BLACK SN8100 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
A heatsink version of the WD_BLACK SN8100 exists, but we have not been able to confirm its height against the 11.25mm limit, so we mark those listings "Check height" rather than "Fits PS5". Sony's limit is 11.25mm total thickness and 25mm width (see Sony's M.2 SSD requirements).
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 |
|---|---|---|---|---|---|---|
WD_BLACK SN8100 PCIe Gen 5 NVMe SSD 4TB (Up to 14,900MB/s read, 14,000MB/s write speeds, Next Gen TLC 3D CBA NAND, Up to 2,400TBW, Best for AI Applications, Gaming, Video Editing) POWERED BY SANDISK1 other listing of this model£966.99 | 4 TB | £810.00 | £202.50 | NVMeGen5 | - | Buy on Amazon |
WD BLACK SN8100 PCIe Gen 5 NVMe SSD 4TB (Up to 14,900MB/s read speed, Up to 14,000MB/s write speed, M.2 2280 with Heatsink, Next Gen TLC 3D NAND Technology, Up to 2,400TBW) POWERED BY SANDISK1 other listing of this model£1,011.99 | 4 TB | £810.35 | £202.59 | NVMeHeatsinkCheck heightGen5 | Prime | 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
What is today's price for a 4TB WD_BLACK SN8100?
£810.00 is the lowest new price we found on 21 October 2026. That is £202.50/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.
Will a 4TB WD_BLACK SN8100 wear out in a PS5?
The maker rates it for 2,400 TBW at 4TB. Filling the drive once a month for ten years would not reach it.
How fast is the WD_BLACK SN8100 at 4TB?
14,900 MB/s, which clears the recommended 5,500 MB/s. As a Gen5 drive it runs at Gen4 speed in the console.
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Last updated: 2026-10-18 18:04:55 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.