Iomega eGo™ HD 500GB USB 2.0. Hard drive capacity: 500 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 2.0. Colour of product: Silver. Weight: 185 g, Width: 88.9 mm, Depth: 136.52 mm. Material: Aluminium, Minimum processor: G3 / Pentium II, Minimum system requirements: Microsoft Internet Explorer 6.0, Firefox 1.0, Apple Safari 1.2 +