Desktop hard drive memory capacity 4 tb form factor 35 inch rpms 7 200 rpm buffer 128 mb bus sas 30 data transfer rate 215 mbs mtbf 2 000 000 hours technologies halogen free powerchoice sector size 512b sectors manufacturers guarantee 60 months power consumption operating 774 watt power consumption idle 652 watt shock resistance operating 70 g shock resistance non operating 250 g vibration resistance non operating 5 g height 261 m