MacBook Pro (13-inch, Mid 2012) Hard Drive (and possibly RAM) replacement : r/mac
How To] Upgrade RAM In A 2012 MacBook Pro - 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
MacBook Pro (Retina, 15-inch, Mid 2012) SSD Upgrade - A Leslie Wong Blog
2GB Memory (PC3-12800, DDR3 1600MHz) for Apple MacBook Pro 15 inch A1286 Mid 2012. iMac 21.5 inch A1418 Late 2012, A1418 MacMini A1347 - Late 2012
MacBook Pro RAM Upgrades (Non-Retina) - OWC
OFFTEK 4GB Memoria RAM di ricambio per Apple MacBook Pro 2.5GHz Intel Core i5 - (13-inch) (DDR3) (Mid-2012) (DDR3-12800) Memoria Laptop : Amazon.it: Informatica
How to make your MacBook Pro faster – upgrading a MacBook Pro mid-2012 to SSD and more RAM memory - Andy the webdeveloper
Apple MacBook Pro Retina 13-inch 2.5GHz - 3.1Ghz "Core" i5 8GB RAM MD2