It is a New Genuine Apple Macbook Air A1379 MC684FE/A Pro iMac SuperDrive 8X DVD CD RW USB 2.0 External Slot-in Slim Drive
100% Brand New from Apple Directly with Original Retail Packing
1 Year Manufacturer Warranty
Compact and convenient, the MacBook Air SuperDrive connects to your MacBook Air computer or Mac mini with Snow Leopard Server with a single USB cable and fits easily into a travel bag. It lets you install software and play and burn both CDs and DVDs, including double-layer DVDs. Weight - 0.71 pounds; 320 grams .
Apple Macbook Air: MB003 MB940 MC234 MC233 MC503 MC504 MC505 MC506 MC969 MC968 MC965 MC966 MD223 MD224 MD231 MD232
2012 & 2013 New Sale Macbook Pro 15.4" with Retina Screen: MC975 MC976 ME664 ME665
2013 New Sale Macbook Pro 13.3" with Retina Screen: MD212 MD213 ME662 ME663
2012 New Sale iMac without Intenral DVD Drive.
It can not work with non-Apple notebook.
It can not work with Apple notebook which has internaldrive originally, even if the drive is taken off or broken.