Price: £63.32
(as of Jun 29, 2025 11:37:25 UTC – Details)
From the manufacturer
Get the Ultimate Gaming Edge
Insane speeds up to 7,300 MB/s(1), (1TB – 4TB models) deliver top-tier performance with ridiculously short load times for the elite gaming experience you’ve been waiting for.
More Room for More Games
Capacities up to 8TB(2) built with Western Digital TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.
Do More w/ WD_BLACK Dashboard
The downloadable WD_BLACK Dashboard (Windows only) monitors your drive’s health, and lets you customize your RGB lighting.
Future-forward Features
The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management(4).
DirectStorage Supported
Improve load times and get precious time back with Microsoft DirectStorage technology
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Customer Reviews
4.3 out of 5 stars 212
4.7 out of 5 stars 22,994
4.6 out of 5 stars 912
4.6 out of 5 stars 511
Price
£438.91£438.91
£87.47£87.47
£75.56£75.56
£167.99£167.99
Capacities (3)
1TB – 8TB
250GB – 2TB
250GB – 2TB
500GB – 2TB
Interface (2)
PCIe Gen4x4
PCIe Gen4x4
PCIe Gen4x4
PCIe Gen 4
Sequential Read (MB/s) (1)
7,300 MB/s (1TB – 4TB models)
Up to 5,150
Up to 4,150
Up to 5,500
Sequential Write (MB/s) (1)
Up to 6,600
Up to 4,850
Up to 4,150
Up to 5,000
Great for
Gaming
Gaming
Content Creation
Content Creation
(1) Based on read speed. 1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors
(2) 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.
(3) PCIe Gen4 storage technology requires a compatible motherboard. WD_BLACK SN850X is backwards-compatible with PCIe Gen3.
(4) Requires the downloadable WD_BLACK Dashboard (Windows only)
Western Digital, the Western Digital design, the Western Digital logo, WD_BLACK, the WD_BLACK logo, and WD Blue are registered marks or marks of Western Digital Corporation or its affiliates in the US and/or other countries. NVMe is a mark of NVM Express, Inc. PCIe is a mark of PCI-SIG in the United States and/or other countries. Windows is a mark of Microsoft Corporation. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products.
2024 Western Digital Corporation or its affiliates. All rights reserved.
Get the Ultimate Gaming Edge. Insane speeds up to 7,300 MBs deliver top-tier performance with ridiculously short load times for the elite gaming experience you’ve been waiting for
Soup Up Your Rig. Extremely low latency loads graphics fast with minimal stutter and lagging for an incredibly smooth, satisfying gaming experience
More Room for More Games. Today’s A-list titles can take up 200GB or more of storage. A range of capacities from 1TB to 4TB means you get to keep more games at the ready and get into the action fast
Heatsink for the Win. The WD_BLACK SN850X NVMe SSD 1TB and 2TB drives have an optional heatsink version that not only looks awesome but also helps your rig maintain peak performance through the most intense gaming sessions
Game Mode 2.0. The latest version of Game Mode serves up even more PC performance-boosting features like load prediction to ready game assets for fast in-game loading
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