A-Tech Apple 8GB Kit 2 x 4GB iMac MacBook Pro Early/Mid 2009 Mid 2010 MC118LL/A A1286 MB985LL/A MB986LL/A MC226LL/A A1297 MC371LL/A MC372LL/A MC373LL/A MC024LL/A MB417LL/A A1224 MB418LL/A Memory RAM 8GB Kit 2x 4GB (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For iMac, MacBook Pro Models:Early 2009 Mid-2009 Mid-2010 MB417LL/A MB418LL/A MB985LL/A MB986LL/A MC024LL/A MC118LL/A MC226LL/A MC371LL/A MC372LL/A MC373LL/A A1224 A1225 A1286 A1297 iMac9,1 MacBookPro5,2 MacBookPro5,3 MacBookPro5,4 MacBookPro6,1 MacBookPro6,2