Experience speeds up to 7,250MBs read and 6,900MBs write , with up to 35 faster performance than previous generation. Designed for serious on-the-go gamers, with a PCIe Gen4 interface and Western Digitals next generation TLC 3D NAND Built with laptops and handheld gaming devices in mind, with up to 100 more power efficiency over the previous generation. Up to 2,400TBW endurance 4TB model for gameplay streaming, speedrun captures, or creating with the latest game engines. Ensure your drive is optimized for prime performance with the downloadable WDBLACK Dashboard Windows only