General device type solid state drive internal capacity 256gb nand flash memory type multi level cell mlc form factor 25 interface sata 6gbs features native command queuing ncq shock resistant trim support smart width 6985mm depth 100mm height 68mm weight 58g performance drive transfer rate 540 mbps external internal data rate 340 mbps 4kb random read 35000 iops 4kb random write 70000 iops expansion amp connectivity