Mid-2012 Macbook Pro 16GB RAM Upgrade How To - YouTube
Memory Upgrades for iMac 27-Inch (2012 - Mid 2015)
8GB Memory (PC3L-12800, DDR3L 1600MHz) for Apple MacBook Pro 15 inch A1286 Mid 2012. Apple MacBook Pro 13 inch A1278 - Mid 2012. iMac 21.5 inch A1418 Late 2012, A1418 Early 2013,
MacBook Pro: How to remove or install memory - Apple Support
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini at Amazon.com
2012 Macbook Pro 13" A1278 RAM Upgrade - YouTube
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube