16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
How to upgrade the RAM on your 13-inch MacBook Pro
Apple Macbook Pro 13" Laptop | UPGRADED i5 16GB RAM | 1TB HD | MacOS | WARRANTY | eBay
4GB Ram Memory (PC3L-12800, DDR3 1600MHz) for Apple MacBook Pro 15 inch A1286, 13 inch A1278 . iMac 21.5 inch A1418 , 27 inch A1419 , Mac Mini A1347 ( Mid 2012 - Mid 2015) - MacWave
MacBook Pro 13" Unibody A1278 (Mid 2012) RAM Upgrade Kit