Samsung 160GB Ultra-ATA/133 HDD, Spinpoint P. Hard drive interface: Ultra-ATA/133, Hard drive capacity: 160 GB, Hard drive size: 8.89 cm (3.5"). Power consumption (typical): 8.5W, Power consumption (standby): 0.6W, Power consumption (PowerSave): 0.6W. Weight: 650g. Power requirements: +5V / +12V, Drive device, transfer rate: 133 MB/s