OCZ Vertex Series 30GB. Solid-state drive capacity: 30 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA II. Read speed: 230 MB/s, Write speed: 135 MB/s. Power consumption (standby): 0.5 W. Mean time between failures (MTBF): 1500000 h. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -45 - 85 °C, Operating shock: 1500 G