Connects 7+6pin Slimline SATA optical drive to computer via USB port for easy test and data transfer No external power required, No driver is needed in XP/windows 7 and Mac OSX or more hight,Boot from external drive capability. Support any Slimline SATA CD/DVD optical drive. Compliant with USB 2.0 specification. Latest third generation product, smaller, lighter and firmer. Its so practical, powerful and convenient for working normally. USB 2.0 interface, support plug and play and Hot-swapping. Support USB 2.0 high-speed 480Mbps and full-speed 12Mbps.