Apple MacBook Pro: RAM upgrade now costs twice as much for the 13-inch model - NotebookCheck.net News
16GB MacBook Pro RAM Upgrade (2011/2012/2013) - YouTube
16GB Memory Upgrade for 2010 MacBook Pro and Mac mini
Timetec Hynix IC Apple 8GB Kit (2x4GB) DDR3 PC3-8500 1066MHz memory upgrade for iMac 21.5
Is there a way to upgrade the RAM in an early 2015 MacBook Pro without voiding the warranty? - Quora
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
macbook pro - Can I upgrade RAM on late 2013 retina Mac Book Pro? - Ask Different
Upgrading RAM in Your MacBook Pro 13" or 15" : 19 Steps (with Pictures) - Instructables
OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com