Install memory in an iMac - Apple Support
Apple Imac 21.5" late 2013 Quad Core i7 3.1Ghz 16GB Ram 128GB SSD 1TB Fusion | eBay
iMac 21.5" A1418 Late 2013 i5, 8GB RAM, 250GB SSD Grade B - iMendMacs.com
Install memory in an iMac - Apple Support
21.5 inch late 2013 iMac - RAM upgrade - Apple Community
iMac 21.5-inch Late 2013 | Intel i5 | 8GB Ram | 1TB HDD | MINT Condition | eBay
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Apple iMac 21.5" Late 2013 - Core i5 2.9GHz 8GB RAM 1TB HDD
Install memory in an iMac - Apple Support
iMac Intel 21.5" EMC 2638 RAM Replacement - iFixit Repair Guide
21.5-inch - 9to5Mac
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
Refurbished: Apple iMac "Core i5" 2.7GHz 21.5-Inch (2013) ME086LL/A A1418 1TB HDD 8GB RAM MacOS Mojave Keyboard & Mouse - Newegg.com
Fully Refurbished iMac 21.5" Late 2013 Intel Quad-Core i5 2.7 GHz / 8 GB RAM / 256 GB SSD / Late 2013 - mResell.com.au
iMac (21.5-inch, Late 2013) - Technical Specifications
Refurbished Apple iMac 14,3 Intel Core i5-4570S, 8GB RAM, 1TB HDD, GT 750M, 21.5-inch (Late - 2013), C - Mac4sale
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
