General device type solid state drive internal capacity 256gb nand flash memory type multi level cell mlc form factor 25 x 18h interface serial ata 600 features native command queuing ncq shock resistant raidssd technology trim support smart 55 bit bch ecc width 70 mm depth 100 mm height 95 mm weight 76 g performance internal data rate 555 mbps read 530 mbps write reliability mtbf 1 000 000 hours expansion amp connectiv