General device type solid state drive internal capacity 256gb hardware encryption yes nand flash memory type multi level cell mlc form factor 25 interface sata 6gbs features ieee 1667 width 6985 mm depth 1002 mm height 68 mm weight 45 g performance drive transfer rate 600 mbps external internal data rate 540 mbps read 270 mbps write reliability mtbf 1 500 000 hours expansion amp connectivity interfaces 1 x sata 6 g