OCZ 50GB Deneva 2. Solid-state drive capacity: 50 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA III. Read speed: 550 MB/s, Write speed: 530 MB/s, Random write (4KB): 80000 IOPS. Security algorithms supported: 128-bit AES, 256-bit AES. Power consumption (standby): 1.3 W, Power consumption (read): 2.85 W, Power consumption (write): 2.85 W. Mean time between failures (MTBF): 10000000 h