Formac Disk XTR Raven 500GB (2x 250GB). Hard drive capacity: 500 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 %