New 8X DL USB SuperDrive Super Slim 13mm DVD RW Dual Layer Burner Portable External USB 2.0 Optical Drive Replacement for Macbook Pro Retina Unibody 13" 15" 2013 2012 2011 Silver Condition: Brand New In Box Compatible with Mac OS 8.6 or more hight, Built-in Apple BIOS, work prefectly with Apple Macbook Pro, Air, Mac mini, iMac etc Powered by USB 2.0. Work with Both Laptop & Desktop, Play and play, don't need any driver program. Also Support Windows98/ SE /ME / 2000 / XP / Vista / Win 7/ Win 8 Slot-in Loading, only 13mm in height, 260g net weight, without eject button 5X Speed DVD-RAM Writing 8X Speed DVDR Writing 4X Speed DVDRW Writing 4X Speed R (DL) Dual layer Writing 24X Speed CD-R Writing 24X Speed CD-RW Writing 8X Speed DVD-ROM Reading 24X Speed CD-ROM Reading