Desktop hard drive memory capacity 3 tb form factor 35 inch rpms 7 200 rpm buffer 64 mb bus sata iii sata 600 intellipower 5400 7200 rpm range series western digital caviar charge and discharge cycles 300 000 mtbf 300 000 hours technology intellipower sector size 512e sectors manufacturers guarantee 24 months noise level operating 29 db noise level idle 24 db power consumption operating 41 watt power consumption idle 3 watt power c