HGST G-Drive mini 500Gb. Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: USB 2.0, FireWire 400, FireWire 800. Colour of product: White. Weight: 0.25 kg, Width: 22 mm, Depth: 126 mm. Mounting: Horizontal, Power requirements: DC 12 V