13″ MacBook Pro teardown: Easy SSD, trackpad access, no room for RAM | Ars Technica
Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora
Upgrade Your Macbook Pro (SSD Upgrade, RAM Upgrade, Optical Drive Bay Adapter) - YouTube
Now Here's a MacBook Pro That's Easy to Repair | WIRED
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Memory RAM Upgrades for MacBook Pro (2012 - Late 2016)
Memory Upgrades for iMac 27-Inch (2012 - Mid 2015)