PNY Prevail SSD 480GB. Solid-state drive capacity: 480 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA III. Read speed: 550 MB/s, Write speed: 520 MB/s, Random write (4KB): 85000 IOPS. Security algorithms supported: 128-bit AES. Power consumption (standby): 0.1 W, Power consumption (read): 5 W, Power consumption (write): 5 W. Mean time between failures (MTBF): 1200000 h