Up for sale is a factory original Apple OEM internal SuperDrive (Hitachi-LG Model GH40N) pulled from a Mac Pro tower. Interface: Standard SATA connection Compatibility: Native fit for Mac Pro Early 2009 systems (MacPro4,1 / A1289) Features: Contains original Apple-approved firmware for native OS environment support, supporting all startup keys and eject hotkeys perfectly. Item shows standard physical casing scuffs from sitting in an internal system sled. The optical laser reads correctly and the tray opens without sticking. Excellent part if you are bringing an iconic silver tower back to life. Securely packaged and shipped. I use these with sata to usb cables as external drives for my iMac and MacBook pro, excellent drives