Plextor 512GB M5P. Solid-state drive capacity: 512 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA III. Read speed: 540 MB/s, Write speed: 450 MB/s, Random write (4KB): 86000 IOPS. Security algorithms supported: 256-bit AES. Power consumption (standby): 0.25 W. Mean time between failures (MTBF): 2400000 h