Internal ssd solid state drive capacity 256 gb form factor 25 inch height 7 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 520 mbs write speed 290 mbs features wear leveling smart trim support ncq garbage collection controller jmicron jmf667h weight 52 g operating temperature 0 70 c 4k random read iops 69 000 manufacturers warranty 3 years