WD Black SN850X 4TB NVMe M.2 Gen 4.0 PCIe Internal Solid State Drive with Heatsink

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

SN850X 4Tb With Heatsink has Capacities up to 8TB 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 4Tb With Heatsink 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 Management.

DirectStorage Supported

Improve load times and get precious time back with Microsoft® DirectStorage technology.