Freecom RDX 320GB, RDX cartridge, Black, 86.6 mm, 119.2 mm, 23.7 mm, 6.6 W Freecom RDX 320GB. Product type: RDX cartridge, Product colour: Black. Width: 86.6 mm, Depth: 119.2 mm, Height: 23.7 mm. Power consumption (typical): 6.6 W, HDD speed: 7200 RPM, Total storage capacity: 320 GB