Apple MacBook Pro (Mid 2012) i5-3210M 2.5 GHz 4GB RAM 500GB HDD MD101ll/A A1278 | eBay
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 PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com