Fujitsu HandyDrive 400GB. Hard drive capacity: 400 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 2.0. Colour of product: Black. Weight: 175 g, Width: 83.5 mm, Depth: 137.5 mm. Data transfer rate (max): 480 Mbit/s, Read seek: 12 ms, Write seek: 14 ms