Internal ssd solid state drive capacity 256 gb form factor 25 inch height 68 mm dimension 99 8 x 69 8 mm design internal memory type mlc bus sata iii sata 600 bus speed 6 ram type ddr3 read speed 550 mbs write speed 330 mbs mtbf 1 000 000 hours features wear leveling smart trim support ncq garbage collection controller jmicron jmf670h weight 52 g power consumption idle 054 watt power consumption operating 374 watt operating t