Plextor 256GB M2P. Solid-state drive capacity: 256 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA III. Read speed: 500 MB/s, Write speed: 440 MB/s, Random write (4KB): 65000 IOPS. Power consumption (standby): 0.1 W, Power consumption (read): 7 W, Power consumption (write): 7 W. Mean time between failures (MTBF): 1500000 h. Operating temperature range (T-T): 0 - 70 °C, Operating shock: 1500 G, Operating vibration: 2.17 G