Apple 21-inch iMac, late 2013 review | TechRadar
New CPUs, faster Wi-Fi, same flaws: Apple's 2013 iMac reviewed | Ars Technica
2012 21.5-Inch Apple iMac Review: Slim, Sleek, And Stylish, But Far From Shallow | TechCrunch
Apple iMac Late 2013 21.5-inch 2.7GHz Core i5 Apple DDR3 RAM Memory | Kingston
Install memory in an iMac - Apple Support
Apple iMac review (21.5-inch, 2015): 4K is optional, faster hard drives shouldn't be | Engadget
2013 iMac teardowns reveal SSD slots, soldered-in CPU in the 21.5” model | Ars Technica
Apple iMac (21.5-inch, 2014) review: A price cut for the 21-inch iMac makes it a mainstream machine - CNET
How to Upgrade/Install Memory in a 21.5-inch iMac (Late 2012– Mid 2014) iMac14,1 iMac14,3 - YouTube
iMac Intel 21.5" EMC 2638 RAM Replacement - iFixit Repair Guide
Refurbished Apple iMac 14,1/i5-4570R/16GB RAM/1TB HDD/21.5-inch/Iris Pro 5200/B (Late - 2013) | Mac4sale
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
How to upgrade RAM iMac late 2013 21.5inch - break & fix MOVIE - YouTube
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
Install memory in an iMac - Apple Support
Can you upgrade the RAM in the 27-inch iMac? | iMore
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Apple iMac 2011 (Mid) 21.5-inch (iMac 11,2) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
iMac | 2.7 GHz Intel i5 | 21.5 Inch | Late 2013 - Techable.com
Teardown of New 4K 21.5-inch iMac Reveals Removable RAM and Modular CPU - MacRumors
Install memory in an iMac - Apple Support
Amazon.com: Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 256GB Solid State Drive, MacOS 10.12 Sierra (Renewed) : Electronics
Apple iMac 21.5" All-in-One Desktop Computer Core i5-4570R 2.7GHz 8GB RAM 250GB HDD Mac OS Mojave Late-2013 w/ Keyboard & Mouse
iMac Intel 21.5" EMC 2638 Teardown - iFixit
