Freecom Mg 320GB, Mobile Drive. Hard drive capacity: 320 GB, Hard drive interface: Serial ATA, Hard drive size: 63.5 mm (2.5 "). Colour of product: Silver. Weight: 170 g, Width: 81 mm, Depth: 120 mm. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -20 - 70 °C. Data transfer rate (max): 5000 Mbit/s, Material: Magnesium, Mean time between failures (MTBF): 50000 h