How to upgrade memory on your mid-2012 or earlier Mac Pro | iMore
NEMIX RAM 64GB 4X16GB Mac Pro 2009 2010 2012 Compatible Memory DDR3-1333 Upgrade Kit at Amazon.com
apple-history.com / Mac Pro (Mid 2012, Dual CPU)
Classic Mac Pro RAM Upgrade Guide (2010-2012) - YouTube
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
MacBook Pro 13" Unibody A1278 (Mid 2012) RAM Upgrade Kit
MacBook Pro: How to remove or install memory - Apple Support
Configure your own Apple Mac Pro (2010-2012) at OWC
NEMIX RAM 16GB Kit (2x8GB Upgrade) DDR3-1600 SODIMM PC3-12800 for Apple MacBook Pro Mid 2012 / iMac Late 2012 / iMac 2013, Late 2014, Mid 2015, Mac Mini Late 2012 at Amazon.com
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora