3D V-NAND Technology, Achieve incredible read/write performance to maximize your everyday computing experience with Samsung’s TurboWrite technology. You can obtain up to 2x faster random read write speeds than the award-winning Samsung 840 EVO. The 850 EVO delivers class-leading performance* in sequential read (540MB/s) and write (500MB/s) speeds. Plus, gain optimized random performance in all QD for better real-world performance. The 850 EVO comes fortified with the latest hardware-based full disk encryption engine. The AES 256-bit hardware encryption secures data without any performance degradation and complies with TCG Opal 2.0. Easily integrate into Windows with Microsoft e-drive IEEE-1667 to keep your data protected at all times.Dynamic Thermal Guard Protection