Western Digital Elements Desktop 1.5TB. Hard drive capacity: 1500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: USB 2.0. Colour of product: Black. Weight: 1020 g, Width: 124.68 mm, Depth: 36.14 mm. Operating temperature range (T-T): 5 - 35 °C, Storage temperature range (T-T): -20 - 65 °C. Data transfer rate (max): 480 Mbit/s, Power requirements: 100-240 VAC, 50-60Hz