WinnerEco 12.7mm SATA HDD SSD Optical Bay Hard Drive Adapter Caddy 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. Material: magnesium alloy Interface: SATA Supports the standard 2.5-inch SATA hard drive, CD-ROM for 12.7mm SATA-bit interface