Formac Disk XTR Raven 1TB (2x 500GB). Hard drive capacity: 1000 GB, Hard drive rotational speed: 7200 RPM. Colour of product: Black. Width: 280 mm, Depth: 210 mm, Height: 41 mm. Operating temperature range (T-T): 10 - 35 °C, Operating relative humidity range: 20 - 80 %