upgrade advice for a late 2013 27-inch iMac | MacRumors Forums
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
Can you upgrade the RAM in the 27-inch iMac? | iMore
iMac Late 2013 Upgrade in 2020 CPU Ssd Ram MAX Out ... Worth it? | Shades Of Tech - YouTube
How to upgrade RAM iMac late 2013 21.5inch - break & fix MOVIE - YouTube
Late 2013 iMac review: Faster than before, but the gains over previous models are modest | Macworld
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
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
How to Upgrade Memory in a 27-inch iMac (Late 2012-2013) iMac13,2 and iMac14,2 - YouTube