MacBook Pro (15-inch, Late 2011): MacBook Pro Core i7 2.2Ghz 15" (L11) -- POI7P5G220L1 MacBook Pro Core i7 2.4Ghz 15" (L11) -- POI7P5G240L1 MacBook Pro Core i7 2.5Ghz 15" (L11) -- POI7P5G250L1
MacBook Pro (15-inch, Mid 2012): MacBook Pro Core i7 2.3Ghz 15" (M12) -- POI7P5G230M2 MacBook Pro Core i7 2.6Ghz 15" (M12) -- POI7P5G260M2 MacBook Pro Core i7 2.7Ghz 15" (M12) -- POI7P5G270M2