memory - How much more RAM can I add to my Mid 2007 24" iMac? - Ask Different
A-Tech 16GB Kit (2x8GB) RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
The Mac Pro Review (Late 2013)
Apple iMac 21.5-inch and 27-inch (Late 2013) reviews | Macworld
Install memory in an iMac - Apple Support
iMac | 3.1 GHz Intel i7 | 21.5 Inch | Late 2013 - Techable.com
Install memory in an iMac - Apple Support
Apple Mac Pro (Late 2013) Quad-Core intel Xeon E5 3.7 GHz, 32GB RAM, 5 – PC Retro Shop
Apple iMac Late 2013 - 21.5-Inch - Core i5 - 8 GB RAM - 1 TB HDD – PCMaster Pro
iMac | 2.7 GHz Intel i5 | 21.5 Inch | Late 2013 - Techable.com
21.5 inch late 2013 iMac - RAM upgrade - Apple Community
iMac | 3.2 GHz Core i5 | 27 Inch | Late 2013 - Techable.com
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
2013 Mac Pro 8 core 3.5GHz | Dual D500 3GB| 32GB RAM 1TB SSD | Apple Trashcan | eBay
New Apple iMac (2013) 21.5" Unboxing & Demo - YouTube
New CPUs, faster Wi-Fi, same flaws: Apple's 2013 iMac reviewed | Ars Technica
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET