Apple Computer , iMac 27-inch 2.7/3.1 GHz Core i5 (i5-2500S, i5-2400), iMac 27-inch 3.4 GHz Core i7 (i7-2600), Order Number, MC813LL/A, MC814LL/A, MD063LL/A, Model Number, A1312, Model Year, Mid 2011, Part Name, Optical Drive, Manufacture Part Number, DVR-TS09, AD-5680, AD-5670S, GA32N, Compatible Apple Order Number, MC813LL/A, MC814LL/A, MD063LL/A, Compatible Apple Model Number, A1312, EMC Number, EMC 2429, EEE Code, BHQ, DCPT, DDGV, DDRP, EEH, Compatible Apple Computer, Mac (27-inch, Mid 2011), ,
Order you product here: 661-5523 Optical Drive for iMac 27 inch Mid 2011 A1312 MC813LL/A, MC814LL/A, MD063LL/A (DVR-TS09, AD-5680, AD-5670S, GA32N), 661-5523
source http://info.applepartsellers.com/661-5523-optical-drive-for-imac-27-inch-mid-2011-a1312-mc813ll-a-mc814ll-a-md063ll-a-dvr-ts09-ad-5680-ad-5670s-ga32n