MacBook Pro 13" Retina 2.5GHz Logic Board, Late 2012 - 661-7006
OWC 8GB (2 x 4GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac, 2011-12 Mac Mini, and 2011-2012 MacBook Pro (Non-Retina Display) Models (OWC1600DDR3S08S) at Amazon.com
13-inch Retina MacBook Pro Review (Late 2012)
Amazon.com: Odyson - 2.7 GHz i7 (i7-3820QM), 16GB RAM Replacement for MacBook Pro 15" Retina A1398 (Mid 2012) : Electronics
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
A-Tech 8GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz SODIMM PC3-12800 204-Pin SO-DIMM Memory Upgrade at Amazon.com
16 GB RAM Upgrade on MacBook Pro 15" (mid 2012) NON Retina - YouTube
Upgrading My MacBook Pro i5 (Mid 2012) With 16GB Memory - miapple.me - Tech.Blog
MacBook Pro 13" Retina Display Late 2012 Teardown - iFixit
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
Amazon.com: Apple MacBook Pro 13.3-Inch Laptop with Retina Display MF843LL/A (3.1 GHz dual-core Intel Core i7 processor, 16 GB RAM, 1TB SSD hard drive) (Renewed) : Electronics
How to upgrade Apple MacBook Pro RAM - YouTube
13″ MacBook Pro teardown: Easy SSD, trackpad access, no room for RAM | Ars Technica
Is upgrading the mid-2012 MacBook Pro Worth It? - Learn Robotics