Laptop hard drive memory capacity 3 tb form factor 25 inch rpms 5 400 rpm buffer 128 mb data transfer rate 140 mbs technology halogen free sector size 512e sectors manufacturers guarantee 24 months noise level operating 27 db noise level idle 26 db power consumption operating 21 watt power consumption idle 11 watt height 15 mm dimension 100 35 x 69 85 mm weight 190 g