Internal ssd solid state drive capacity 256 gb form factor m2 height 36 mm design internal memory type mlc bus pcie 30 x4 buffer 512 mb ram type lpddr3 interface nvme read speed 2 000 mbs write speed 900 mbs mtbf 2 400 000 hours shock resistant up to 1 500 g vibration resistant up to 2 g features trim support smart controller marvell 88ss1093 weight 10 g width 22 mm length 80 mm production process 15 nm 4k random read iops 21