EKoo New USB 2.0 External Super Slim Slot-In DVD-RW,Super Slim USB SATA External Slot in DVD Burner Case for Apple MacBook Air, Pro, iMac, Mini (Silver) Compitable : Apple macbook pro 371 DVD COMBO /dvd-rW All slot in (height:9.5mm .interface :sata or height:12.7mm,interface:sata) case.Please check compatility before purchase. Support USB2.0 (480Mb/sec), fully backward compatible with USB1.1 (12Mb/sec). Compatible with All USB Port ,NO External Power Required.Easy to install. Note:This is just a external case not included internal drive If your drive height is 9.5mm, please follow the instruction and cut the two small posts inside the case. Then, you can put it to install 9.5mm SATA slot in burner