Get into the game fast as you zoom past load times with blazing speeds of up to 5,150MB/s(1) (1TB and 2TB models).date transfer rate:5150.0 megabytes_per_second.Specific uses: Gaming | Equipped with a PCIe Gen4 interface(4), the WD_BLACK SN770 NVMe SSD helps fuel in-game responsiveness, minimize stutter, and provide smooth streaming for a performance boost you can see and feel. | Get tons of space for your latest games, future updates, and downloadable content with capacities up to 2TB(2). | Supports future games developed for Microsoft’s DirectStorage technology for faster load times. | Optimize peak performance in gaming mode and monitor your drive’s health with the WD_BLACK Dashboard (Windows only) so you can game with confidence using this reliable drive from a trusted brand. | (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. | (4)PCIe Gen4 storage technology requires a compatible motherboard. WD_BLACK SN770 is backwards-compatible with PCIe Gen3. | Sequential Read Performance - 5150MB/s and Sequential Write Performance - 4850MB/s