Compatible: 371 DVD COMBO / DVD-RW All slot in (height: 9.5mm. interface: SATA or height: 12.7mm, interface: SATA) case Please check compatibility before purchase. Support usb3.0(5gBPS)USB2.0 (480Mb/sec), fully backward compatible with USB 1.1 (12Mb/sec) Compatible with All USB Port NO External Power Required Easy to install