Interface: SATA Size: 128mm * 127mm * 12.7mm Thickness: 12.7mm Material: magnesium alloy Material ratio: 0.9 magnesium: aluminum 0.09: 0.01 Zinc Applicable hard disk thickness: 7mm, 9.5mm, 12.7mm Applicable hard disk: SATAI II III on behalf of the full range of hard disk With hard disk channel switch Standard SATA-13Pin (6 + 7) optical drive interface, supports SATA-I / SATA-II / SATA-III transmission standards. Support the highest transmission speed 6Gbps. (New PCM board support) Support Window2K / XP / 2003 / Vista / 7, Linux, Mac 10 OS system. Supports the standard 2.5-inch SATA hard drive, CD-ROM for 12.7mm SATA-bit interface Screw free installation