Desktop hard drive memory capacity 6 tb form factor 35 inch rpms 7 200 rpm bus sata iii sata 600 series western digital purple suitable for video surveillance systems 24 hour continuous operation mtbf 1 000 000 hours technology intellipower sector size 512e sectors manufacturers guarantee 36 months noise level operating 26 db noise level idle 25 db power consumption operating 53 watt power consumption idle 49 watt height 261 mm