Western Digital Black SN850X 4 TB NVMe™ M.2 SSD Without Heatsink | WDS400T2X0E
SKU: WDS400T2X0E
£548.65 (Excl. VAT)
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Western Digital Black SN850X 4 TB NVMe™ M.2 SSD Without Heatsink

Built for elite gaming.
Crush load times and slash throttling, lagging, and texture pop-ins with the WD_BLACK SN850X NVMe™ SSD. Available in capacities of 1TB up to 8TB2, this gaming drive is built for top-tier performance. With 7,300MB/s1 speeds (1TB - 4TB models) and a heatsink option to maintain performance, you can enjoy your favorite games without worrying about lag. Plus, the downloadable WD_BLACK Dashboard (Windows® only) can automatically turn on Game Mode 2.0 features. The WD_BLACK SN850X NVMe™ SSD delivers a smooth, fast experience —and the innovations that let you compete at your absolute peak.
Gain the Ultimate Gaming Edge
Insane speeds up to 7,300 MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times — for the elite gaming experience you’ve been waiting for.
Heatsink for the Win
All capacities have an optional heatsink version that's not only eye-catching, but also helps your rig maintain peak performance through your most intense gaming sessions.
More Room for More Games
Capacities up to 8TB2 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 with WD_BLACK Dashboard
The downloadable WD_BLACK Dashboard (Windows® only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.
Future-forward features
The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management5.
DirectStorage Supported
Improve load times and get precious time back with Microsoft® DirectStorage technology. -
Full Specifications Features Get top-tier performance and ridiculously short load times for your gaming PC or workstation High capacities built with Western Digital TLC 3D NAND so you get to download more games Optional heatsink version to help maintain peak performance through your most intense gaming sessions Capacity 4 TB Form Factor M.2 2280 Connector M.2 Compatibility Windows® 10+, PlayStation®5 (Heatsink model only), Computer with M.2 (M-key) port, capable of taking M.2 2280 form factor Sequential Read Performance 7300MB/s Sequential Write Performance 6600MB/s Random Read 1200K IOPS Random Write 1100K IOPS Interface PCIe Gen4 x4 Warranty 5-Year Limited Warranty Endurance (TBW) 2400 Dimensions (L x W x H) 80mm x 22mm x 2.38mm Weight 7.5gms Model Number WDS400T2X0E Operating Temperature 0°C to 85°C Non-Operating Temperature -40°C to 85°C Certifications BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco, RCM, TUV, UL, VCCI -
Description Downloads Western Digital Black SN850X 4 TB NVMe™ M.2 SSD Without Heatsink | WDS400T2X0E DataSheet Download
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