Internal ssd solid state drive series sandisk z400s capacity 256 gb form factor m2 height 223 mm design internal memory type mlc bus sata iii sata 600 bus speed 6 read speed 546 mbs write speed 342 mbs mtbf 1 750 000 hours shock resistant up to 1 500 g vibration resistant up to 5 g features device sleep weight 55 g power consumption idle 001 watt power consumption operating 16 watt operating temperature 0 70 c width 22 mm