Memory Upgrades for iMac 27-Inch (2012 - Mid 2015)
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Apple iMac 2013 (Late) 21.5-inch (iMac 14,3) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
Apple iMac 21.5-inch 2.7GHz Quad-core i5 (Late 2013) | mac of all trades
21.5 inch late 2013 iMac - RAM upgrade - Apple Community
Configure your own 21.5-inch Apple iMac (2013) at OWC
iMac Intel 21.5" EMC 2638 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
iMac Intel 21.5" EMC 2638 Teardown - iFixit
Apple iMac review (2013) | Engadget
Apple iMac 21.5" All-in-One Desktop Core i3-3225 3.3GHz 4GB RAM 500GB HDD Mac OS Mojave Early-2013 w/ Keyboard & Mouse ME699LL/A
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
SOLVED: Need more ram for iMac 21.5 late 2013 - iMac Intel 21.5" EMC 2638 - iFixit
iMac Intel 21.5" EMC 2544 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Apple Posts iMac (Late 2013) Memory Specifications
Install memory in an iMac - Apple Support
16GB KIT 2X 8GB for Apple iMac 2.7GHz 21.5" Late 2013 2.93GHz 27" Late
Install memory in an iMac - Apple Support
HOW I UPGRADED MY iMAC 21.5in Late 2013 MODEL (SSD & RAM UPGRADE) - YouTube
iMac (21.5-inch, Late 2013) - Technical Specifications
