MacBook Pro (15-inch, Late 2011)

Model numbers:A1286
Order numbers:MD318LL/A, MD322LL/A
Model Identifiers:MacBookPro8,2
15.4" 2.2, 2.4, or 2.5 GHz; 6 MB shared (2.2, 2.4 GHz) 8 MB shared (2.5 GHz) L3 cache; 500 or 750 GB (5400-rpm SATA), or 750 GB (7200-rpm SATA), or 128, 256, or 512 GB (SSD)