Western Digital WDBACW0030HBK. Hard drive capacity: 3000 GB, Hard drive rotational speed: 7200 RPM, Hard drive size: 88.9 mm (3.5 "). Colour of product: Black. Weight: 1180 g, Width: 48 mm, Depth: 135 mm. Operating temperature range (T-T): 5 - 35 °C, Storage temperature range (T-T): -20 - 65 °C. Power requirements: 100-240 VAC, 47-63 Hz, Supported data transfer rates: 480 Mb/s, 5 Gb/s