Memory RAM Upgrade for Apple MacBook Pro 13-inch Mid 2012 4GB DDR3 SODIMM | eBay
13-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
Memory Upgrade for MacBook Pro Late 2012 - YouTube
16GB RAM Upgrade for the MacBook Pro — Robert OToole Photography
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
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
MacBook Pro (Retina, 15-inch, Mid 2012) - Technical Specifications
Crucial 8GB Memory Upgrade for Apple MacBook Pro 13 inch (Mid 2012) PC3-12800S 1600MHz DDR3 SODIMM RAM (Crucial CT8G3S160BM Equivalent) - Newegg.com
parts-quick 8GB Memory for Apple MacBook Pro 13 inch (Mid 2012) PC3-12800S 1600MHz DDR3 SODIMM Compatible RAM Brand at Amazon.com