Server hard drive memory capacity 1 tb form factor 25 inch rpms 7 200 rpm buffer 64 mb bus sas 20 series seagate constellation access time 85 ms mtbf 1 400 000 hours sector size 512b sectors manufacturers guarantee 60 months noise level operating 28 db noise level idle 22 db power consumption operating 64 watt power consumption idle 385 watt height 15 mm