Super Talent Technology UltraDrive ME SATA-II 25, 256GB. Solid-state drive capacity: 256 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA II. Read speed: 200 MB/s, Write speed: 160 MB/s. Operating voltage: 5 V. Mean time between failures (MTBF): 1000000 h. Operating temperature range (T-T): 0 - 70 °C, Operating shock: 1500 G