Internal ssd solid state drive capacity 256 gb form factor m2 height 15 mm design internal memory type 3d tlc bus pcie 30 x4 interface nvme read speed 1 570 mbs write speed 540 mbs mtbf 1 600 000 hours weight 40 g encryption aes 256 bit width 22 mm length 80 mm 4k random read iops 71 000 4k random write iops 112 000 manufacturers warranty 5 years