Crucial MX200 500GB M.2 Type 2280 SATA 6Gb/s Internal Solid State Drive (CT500MX200SSD4) Sequential reads/writes up to 555 / 500 MB/s on all file types Random reads/writes up to 100k / 87k IOPS on all file types, Dynamic Write Acceleration delivers faster saves and file transfers Up to 5x more endurance than a typical client SSD, Power Loss Protection completes write commands even if power is lost Best-in-class hardware encryption keeps data safe and secure Exclusive Data Defense guards against data corruption, Adaptive Thermal Protection allows for adaptive cooling