OCZ Vertex 3. Solid-state drive capacity: 240 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): 60000 IOPS. Power consumption (standby): 1.65 W, Power consumption (read): 3 W, Power consumption (write): 3 W. Mean time between failures (MTBF): 2000000 h. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -45 - 85 °C, Operating shock: 1500 G