WD_BLACK SN850X NVMe SSD 1TB (up to 7,300MB/s read speed, up to 6,300MB/s write speed, M.2 2280, PCIe Gen4, Gaming Expansion storage, High Performance Internal solid state drive) POWERED BY SANDISK

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.

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