Internal ssd solid state drive series sandisk x400 capacity 128 gb form factor m2 height 15 mm design internal memory type tlc bus sata iii sata 600 bus speed 6 read speed 540 mbs write speed 340 mbs mtbf 1 750 000 hours shock resistant up to 1 500 g vibration resistant up to 5 g features device sleep weight 7 g operating temperature 0 70 c width 22 mm length 80 mm max schreibvolumen tbw 72 4k random read iops 93 500 4k