SanDisk Optimus GX PRO 850P for PS5: compatibility, heatsink fit and live price
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Compatible and officially PlayStation-licensed. It is sold only with its heatsink fitted, which SanDisk lists at 0.41 inches (about 10.4mm) at most, inside the 11.25mm limit. The cheapest compatible listing today is the SANDISK Optimus GX PRO 850P NVMe SSD 1TB at £277.99, as of 21 October 2026. The best value per TB is the SANDISK Optimus GX PRO 850P NVMe SSD 4TB, at £255.25/TB (£1,020.99).
PS5 requirements as published in Sony's M.2 SSD support page. Prices from Amazon.co.uk.
Spec sheet: SanDisk Optimus GX PRO 850P
| Spec | Value |
|---|---|
| PS5 compatible | Yes |
| Interface | PCIe Gen4 x4 NVMe, M.2 2280 |
| Sequential read (up to) | 7,300 MB/s |
| Sequential write (up to) | 6,600 MB/s |
| Sony's recommended read speed | 5,500 MB/s or faster |
| Endurance | About 600 TBW per TB (1,200 TBW at 2TB) |
| Warranty | 5 years |
| Capacities | 1TB, 2TB, 4TB, 8TB |
| Heatsink version | Fitted as standard |
| Officially PlayStation-licensed | Yes |
| Launched | 2026 |
Figures are the maker's published "up to" ratings, checked October 2026 against the maker's sheet 1 and the maker's sheet 2.
SanDisk Optimus GX PRO 850P and PS5 compatibility
SanDisk's licensed PS5 drive, launched after the company renamed the WD_BLACK NVMe line SANDISK Optimus in January 2026. SanDisk rates it at 7,300 MB/s read from 1TB to 4TB and 7,200 MB/s at 8TB, with 6,600 MB/s write (6,300 MB/s at 1TB) and 600 TBW per terabyte. Its sheet gives a height of 0.39 inches for the 1TB and 2TB models and 0.41 inches for the 4TB and 8TB.
Will it fit under the PS5 cover?
Sony's limit is 11.25mm total thickness and 25mm width (see Sony's M.2 SSD requirements). The SanDisk Optimus GX PRO 850P comes in one form, with a heatsink already attached (10.4mm in total), and that form fits.
Rivals at 2TB: live prices
| Drive | Read speed | Price | Price per TB |
|---|---|---|---|
| Seagate Game Drive PS5 NVMe | 7,400 MB/s | £366.44 | £183.22/TB |
| WD_BLACK SN850X | 7,300 MB/s | £399.63 | £199.82/TB |
| Kioxia Exceria Pro | 14,900 MB/s | £554.29 | £277.15/TB |
As of 21 October 2026. These are the closest alternatives to the SanDisk Optimus GX PRO 850P that we track, priced at their cheapest new 2TB listing.
Related pages for the SanDisk Optimus GX PRO 850P
Compare it against everything at the same size: 1TB PS5 SSDs, 2TB PS5 SSDs, 4TB PS5 SSDs. All SanDisk drives that pass the PS5 gate are on the SanDisk PS5 SSD page. Head to head: WD_BLACK SN850P vs SanDisk Optimus GX PRO 850P. Every model we track is listed on the PS5 SSD model index.
Compatible drives, live prices
| Product | Capacity | Price | Price per TB | Tech | Prime | Buy |
|---|---|---|---|---|---|---|
| SANDISK Optimus GX PRO 850P NVMe SSD 4TB, Up to 7,300MB/s Read Speed | Officially Licensed Storage Expansion for PS5 Consoles, M.2 2280, PCIe Gen 4.0 with Heatsink, M.2 Internal Solid State Drive | 4 TB | £1,020.99 | £255.25 | NVMeHeatsinkFits PS5Licensed | Prime | Buy on Amazon |
| SANDISK Optimus GX PRO 850P NVMe SSD 2TB, Up to 7,300MB/s Read Speeds | Officially Licensed Storage Expansion for PS5 Consoles, M.2 2280, PCIe Gen 4.0 with Heatsink, M.2 Internal Solid State Drive | 2 TB | £545.99 | £273.00 | NVMeHeatsinkFits PS5Licensed | Prime | Buy on Amazon |
| SANDISK Optimus GX PRO 850P NVMe SSD 1TB, Up to 7,300MB/s Read Speeds | Officially Licensed Storage Expansion for PS5 Consoles, M.2 2280, PCIe Gen 4.0 with Heatsink, M.2 Internal Solid State Drive | 1 TB | £277.99 | £277.99 | NVMeHeatsinkFits PS5Licensed | 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
Can I use the SanDisk Optimus GX PRO 850P in my PS5?
Compatible and officially PlayStation-licensed. It is sold only with its heatsink fitted, which SanDisk lists at 0.41 inches (about 10.4mm) at most, inside the 11.25mm limit. It makes no difference which PS5 you own, since the Slim and Pro have the same M.2 slot.
Is a heatsink required for the SanDisk Optimus GX PRO 850P in a PS5?
It already has one. The SanDisk Optimus GX PRO 850P ships with its heatsink fitted, so it is ready to install.
Where is the cheapest SanDisk Optimus GX PRO 850P for PS5 today?
The cheapest compatible listing today is the SANDISK Optimus GX PRO 850P NVMe SSD 1TB at £277.99, as of 21 October 2026. The best value per TB is the SANDISK Optimus GX PRO 850P NVMe SSD 4TB, at £255.25/TB (£1,020.99).
How big does the SanDisk Optimus GX PRO 850P go, and what does each size hold?
You can buy it in 1TB, 2TB, 4TB, 8TB. As a guide, 2TB holds about 26 big games at 75GB each and 4TB about 53. Read speed varies by capacity on this model, so check the size you are buying.
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Last updated: 2026-10-12 22:47:14 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.