Western Digital WD Black SN770 250GB Gen4 NVMe SSD - 4000MB/s 2000MB/s R/W 200TBW 240K/470K IOPS 1.75M Hrs MTBF M.2 PCIe4.0 5yrs Upgrade Your Rig. Elevate Your Game. Get into the action now with the WD_BLACK™ SN770 NVMe™ SSD4. This purpose-built gaming drive boasts a PCIe® Gen4 interface2 that delivers blazing speeds of up to 5,150MB/s2 (1TB and 2TB models). First into the Action Get into the match fast as you zoom past load times with blazing speeds of up to 5,150MB/s2 (1TB and 2TB models). Smoother, Faster Gaming Improve in-game responsiveness and streaming with the PCIe Gen4 interface for a performance boost you can see and feel. The interface is compatible with leading CPU and motherboard platforms and backwards-compatible with PCIe Gen3. Store More Available in capacities up to 2TB1, the WD_BLACK SN770 NVMe SSD gives you tons of storage for your latest games with space left over for future updates and downloadable content. Turbocharge Your Laptop Get up to 20% more power efficiency at maximum speed over the previous generation1 (1TB model) for an even better overall gaming experience on your portable rig. Game Longer and Better Optimize peak performance in gaming mode and monitor your drive’s health with the WD_BLACK Dashboard so you can game with confidence. 5-Year Limited Warranty Equipped with advanced thermal management technology that helps maintain consistent performance, this reliable drive from a trusted brand comes backed by a 5-year limited warranty.