I got a FREE 2013 iMac 21.5 with internal upgrades including Samsung evo ssd and 16gigs of ram. Then used open legacy patcher to install Mac OS Venture 13.5 beta. : r/OSXBeta
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
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
Apple 21-inch iMac, late 2013 review | TechRadar
Mac RAM Upgrade, Best iMac Memory Upgrade – Best Reviews
16GB KIT 2X 8GB for Apple iMac 2.7GHz 21.5" Late 2013 2.93GHz 27" Late
Late 2013 iMac review: Faster than before, but the gains over previous models are modest | Macworld
16GB KIT 2X 8GB for Apple iMac 2.7GHz 21.5" Late 2013 2.93GHz 27" Late
16GB Memory Upgrade Kit for 2012-2013 iMac 21.5-Inch
Install memory in an iMac - Apple Support
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
iMac Intel 21.5" EMC 2638 & EMC 2742 Late 2013 Repair - iFixit
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
Install memory in an iMac - Apple Support
Apple Classifies Early 2013 21.5-inch iMac as Obsolete - MacRumors
Teardown of New 4K 21.5-inch iMac Reveals Removable RAM and Modular CPU - MacRumors
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
New CPUs, faster Wi-Fi, same flaws: Apple's 2013 iMac reviewed | Ars Technica
Pre-Owned Apple iMac 21.5-inch Desktop "Core i5" 2.9 (Late 2013) 8GB Memory 1TB HDD ME087LL/A - Best Buy
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
Apple's New 21.5 Inch iMac Has Upgradeable Parts — That's a Huge Deal
