Freecom FHD-3 500GB USB 2.0 & FireWire, FHD-3. Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: USB 2.0, FireWire 400. Colour of product: Aluminium. Weight: 950 g, Width: 144 mm, Depth: 175 mm. Operating temperature range (T-T): 5 - 55 °C, Storage temperature range (T-T): -40 - 65 °C. Average latency: 4.17 ms, Drive device speed: 7200 RPM, Hard disk transfer rate: 480 Mbit/s