Iomega 250 GB Hi–Speed USB 2.0. Hard drive capacity: 250 GB, Hard drive interface: USB 2.0, Hard drive size: 88.9 mm (3.5 "). Weight: 1261 g, Width: 120.65 mm, Depth: 222.25 mm. Hard disk transfer rate: 480 Mbit/s, Minimum processor: Pentium II / G3, Minimum RAM: 32 MB. Package dimensions (WxDxH): 317.5 x 88.9 x 215.9 mm