Samsung 860 EVO 250GB M.2 SATA Solid State Drive (MZ-N6E250BW) - Interface: SATA 6 Gb/s (compatible with SATA 3 Gb/s & SATA 1.5 Gb/s interface), Form Factor: M.2 2280, NAND Type: Samsung V-NAND 3bit MLC, Encryption Support: AES 256-bit, Sequential Read: up to 550 MB/s, Sequential Write: up to 520 MB/s, Reliability (MTBF): 1.5 Million Hours