MacBook Pro: how to remove or install memory – Apple Support (UK)
A-Tech for Apple 16GB Memory Ram Kit 2x 8GB PC3-12800 1600MHz Macbook Pro 13-inch/15-inch Mid 2012 iMac 21.5 inch Late 2012 Early Late 2013 Late 2014 Mid 2015 Mac Mini Late 2012
MacBook Pro: how to remove or install memory – Apple Support (UK)
OWC - 16GB OWC Memory Upgrade Kit - 2 x 8GB PC12800 DDR3L 1600MHz SO-DIMMs for 2011-2015 iMac, 2011-12 Mac mini, and 2011-2012 MacBook Pro (non-Retina display) models : Amazon.co.uk: Computers & Accessories
Upgrade Your Macbook Pro (SSD Upgrade, RAM Upgrade, Optical Drive Bay Adapter) - YouTube
16GB 2x8GB Samsung 1600MHz DDR3 RAM - Apple MacBook Pro 2011/2012 iMac 2013/2014 | eBay
MacBook Pro: how to remove or install memory – Apple Support (UK)
Kingston Apple 2012 MacBook Pro Memory RAM & SSD Upgrades. Choose Your Model