Series Size Model Years EMC Code Processor
For Macbook Pro 8,1 13-inch A1278 Early 2011 EMC 2419 MC700LL/A 2.3 GHz “Core i5”
For Macbook Pro 8,1 13-inch A1278 Early 2011 EMC 2419 MC724LL/A 2.7 GHz “Core i7”
For Macbook Pro 8,1 13-inch A1278 Late 2011 EMC 2555 MD313LL/A 2.4 GHz “Core i5”
For Macboo Pro 8,1 13-inch A1278 Late 2011 EMC 2555 MD314LL/A 2.8 GHz “Core i7”