4GB 2X 2GB MacBook Pro Early 2011 Late 2011 A1297 A1278 MD313LL/A Memory Ram | eBay
A-Tech for Apple 16GB Memory Ram Kit 2x 8GB PC3-10600 1333MHz Macbook Pro Early Late 2011 iMac Mid 2010 Mid 2011 Late 2011 Mac Mini Mid 2011 A1278 A1286 A1297 A1278 A1311