MacBook Pro (15-inch, Mid 2012)

Model numbers:A1286
Order numbers:MD103LL/A, MD104LL/A
Model Identifiers:MacBookPro9,1
15.4" Intel Core i7 2.3, 2.6, or 2.7 GHz; 6 MB (2.3 and 2.6 GHz) 8 MB (2.7 GHz) L3