OCZ Agility 4 64GB 2.5" SATA III SSD. Solid-state drive capacity: 64 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA III. Read speed: 300 MB/s, Write speed: 200 MB/s, Random write (4KB): 46000 IOPS. Security algorithms supported: 256-bit AES. Power consumption (sleep mode): 1.3 W, Power consumption (read): 2.5 W, Power consumption (write): 2.5 W. Mean time between failures (MTBF): 2000000 h