MacBook Air review (13-inch, mid-2012) - The Verge
2012 Macbook Pro 13" A1278 RAM Upgrade - YouTube
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
Is upgrading the mid-2012 MacBook Pro Worth It? - Learn Robotics
MacBook Pro (Retina, 15-inch, Mid 2012) - Technical Specifications