2.5' external HDD case, SATA interface Super slim design with the thickness of 12.5mm only, and fits 2.5' hard disk exactly, no need screws inside With slide tracking structure design, one screw only to fixing the case Stylish hairline finishing on the top class stainless steel bottom cover USB2.0 high speed data transfer rates up to 480Mbps Ultra shiny and fashionable top plastic panel