Monster Digital LeMans 400GB SSD. Solid-state drive capacity: 400 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA III. Read speed: 550 MB/s, Write speed: 515 MB/s, Random write (4KB): 85000 IOPS. Security algorithms supported: 128-bit AES. Power consumption (standby): 0.5 W, Power consumption (read): 2 W, Power consumption (write): 2 W. Mean time between failures (MTBF): 4000000 h