Freecom ToughDrive Pro 80GB, ToughDrive Pro 2.5. Hard drive capacity: 80 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 2.0. Colour of product: Grey. Weight: 175 g, Width: 180 mm, Depth: 40 mm. Operating temperature range (T-T): 5 - 60 °C, Storage temperature range (T-T): -20 - 80 °C, Operating shock: 175 G. Average latency: 7.14 ms, Data transfer rate (max): 480 Mbit/s, Mean time between failures (MTBF): 50000 h