WD_BLACK SN850X NVMe SSD 4TB (Up to 7,300 MB/s read speed, Up to 6,600 MB/s write speed, M.2 2280, PCIe Gen4, Gaming Storage Expansion, High Performance Internal solid state drive) POWERED BY SANDISK
WD_BLACK SN850X NVMe SSD 4TB (Up to 7,300 MB/s read speed, Up to 6,600 MB/s write speed, M.2 2280, PCIe Gen4, Gaming Storage Expansion, High Performance Internal solid state drive) POWERED BY SANDISK has dropped 2.5% over the last 30 days, currently at £536.31.
- Get the Ultimate Gaming Edge. Insane speeds up to 7,300 MB/s 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.
- Near-Max PCIe Gen4 Speeds. The WD_BLACK SN850X NVMe SSD delivers output approaching the limits of the PCIe Gen4 interface to help you get ultra-fast performance out of your storage and system components.
About This Product
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 SANDISK TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.
Do More w/ SANDISK Dashboard
The downloadable SANDISK Dashboard (Windows only) monitors your drive’s health, and lets you customize your RGB lighting.
Future-forward Features
The WD_BLACK SN850X SSD - Powered by Sandisk boasts a suite of features, including Predictive Loading, Overhead Balancing, and ATM(4).
DirectStorage Supported
Improve load times and get precious time back with Microsoft DirectStorage technology. Compare Our Products WD_BLACK SN850X NVMe SSD Add To Basket WD Blue SN5100 NVMe SSD Add To Basket WD_BLACK SN7100 NVMe SSD Buying Options WD_BLACK SN8100 NVMe SSD Add To Basket Customer Reviews 4.8 out of 5 stars 31,649 4.6 out of 5 stars 427 4.7 out of 5 stars 3,298 4.8 out of 5 stars 807 Price £1,050.00£1,050.00 £239.00£239.00 — £499.00£499.00 Capacities(2) Up to 8TB Up to 4TB Up to 4TB Up to 8TB Interface(3) PCIe Gen4x4 PCIe Gen4 PCIe Gen4 PCIe Gen 5 Sequential Read (MB/s)(1) Up to 7,200 (8TB model) Up to 7,100 Up to 7,250 (1-2TB models) Up to 14,900 Sequential Write (MB/s)(1) Up to 6,600 N/A Up to 6,900 (1-2TB models) N/A Great For Gaming Creators PC Gaming Gaming Legal Disclaimers
(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).
SANDISK, the SANDISK logo and nCache are registered marks or marks of Sandisk Corporation or its affiliates in the U.S. and/or other countries. WD_BLACK and the WD_BLACK logo are registered marks or marks of Western Digital Corporation or its affiliates in the U.S. and/or other countries. The NVMe word mark is a mark of NVM Express, Inc. PCIe is a registered mark of PCI-SIG. Windows and Microsoft are registered marks or marks of the Microsoft group of companies. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products.
2025 Sandisk Corporation or its affiliates. All rights reserved.
Price History
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