Wiebetech ToughTech Secure mini-Q WriteProtect 500GB. Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: eSATA, FireWire 800, USB 2.0. Data transfer rate: 1500 Mbit/s, USB data transfer rates: 480 Mbit/s, FireWire data transfer rates: 400, 800 Mbit/s. Colour of product: Silver. Input voltage: 5 V. Weight: 1360 g, Width: 225 mm, Depth: 130 mm