Standard USB 3.0 transmission compatible with USB 2.0 and support up to 5Gbps data transfer rate; Support Window 2K / XP / 2003 / Vista / 7 Linux Mac 10 OS systems; Support 1.5Gbps SATA-I interface support most of 3.0Gbps SATA-II interface standard; Support power-saving and sleep mode using GL3321 program good compatibility; For a variety of brand 12.7mm SATA DVD RW drive; Standard USB 3.0 mini 10P type interface; Incidental plus electrical interface (3.5 x 1.3mm DC port); With LED indicator; High-quality hard plastic enclosure with UV coating; DVD rewritable