Seagate 146.3GB 3.5" SAS, Cheetah. Hard drive capacity: 146.3 GB, Hard drive interface: SAS, Hard drive speed: 15000 RPM. Power consumption (typical): 14.4 W, Power consumption (idle): 9.6 W. Width: 4" (101.6 mm), Height: 1" (25.4 mm), Depth: 5.75" (146.1 mm)