Transcend 8GB SSD 25H, Transcend. Solid-state drive capacity: 8 GB, Size: 63.5 mm (2.5 "), Solid-state drive interfaces: Serial ATA II. Read speed: 90 MB/s, Write speed: 25 MB/s, Data transfer rate: 3 Gbit/s. Operating voltage: 5 V. Mean time between failures (MTBF): 1000000 h. Operating temperature range (T-T): 0 - 70 °C