Iomega 2TB Professional HDD, Professional. Hard drive capacity: 2000 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: USB 2.0. Colour of product: Silver. Weight: 976 g, Width: 120.6 mm, Depth: 198.6 mm. Data transfer rate: 3 Gbit/s, Data transfer rate (max): 480 Mbit/s, Interface type: USB 2.0