Can you upgrade the RAM in the 27-inch iMac? | iMore
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
How to Upgrade iMac Hard Drive or SSD 2012-2022: EveryMac.com
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I5 3.4 27-Inch (Late 2013) Me089Ll/A - A7 at Amazon.com
How To Upgrade RAM in a Mac | Macworld
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac RAM Upgrade mixing different memory sticks: 27” iMac late 2013 - YouTube
How do you install RAM in your iMac? - Coolblue - anything for a smile
NEMIX RAM 16GB Kit (2x8GB Upgrade) DDR3-1600 SODIMM PC3-12800 for Apple MacBook Pro Mid 2012 / iMac Late 2012 / iMac 2013, Late 2014, Mid 2015, Mac Mini Late 2012 at Amazon.com
How to upgrade RAM iMac late 2013 21.5inch - break & fix MOVIE - YouTube
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET