Freecom 33996, Mobile Drive. Hard drive capacity: 640 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: Serial ATA. Colour of product: Grey, Silver. Weight: 175 g, Width: 135 mm, Depth: 80 mm. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -20 - 70 °C. Data transfer rate (max): 480 Mbit/s, Mean time between failures (MTBF): 50000 h, Minimum processor: Pentium III / PowerBook G3/G4