Nas drive memory capacity 2 tb form factor 35 inch rpms 7 200 rpm buffer 64 mb bus sata iii sata 600 series western digital red suitable for 24 hour continuous operation nas systems charge and discharge cycles 600 000 mtbf 1 200 000 hours manufacturers guarantee 60 months noise level operating 34 db noise level idle 31 db power consumption operating 65 watt power consumption idle 49 watt height 261 mm