MacBook Pro (13-inch, Mid 2012) Hard Drive (and possibly RAM) replacement : r/mac
Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro(Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
16GB (2X8GB) MEMORY RAM FOR IMAC LATE 2012 MACBOOK PRO MID 2012 A1418 MD094LL/A | eBay
16GB Kit 2X 8GB iMac Late 2012 Macbook Pro Mid 2012 A1418 MD094LL/A Memory Ram | eBay
Now Here's a MacBook Pro That's Easy to Repair | WIRED
4GB (1x4GB) for Apple MacBook Pro 13-inch, 15-inch (Mid 2012) Ram Memory | eBay
Memory RAM Upgrade for Apple MacBook Pro 15-inch Mid 2012 4GB/8GB DDR3 SODIMM | eBay
MacBook Pro Memory Model 9.1 to 9.2 | Mid 2012 | 12GB | MacMemory.com
16GB Kit (2 x 8GB) PC3-12800 RAM for Apple MacBook Pro Mid 2012 - 13 Inch
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini at Amazon.com