OWC SSD Upgrade Kits for 21.5-Inch iMac (2013 - 2019)
Install memory in an iMac - Apple Support
Apple iMac 21.5 "Slim intel® Quad-Core i5 2.7GHz Late 2013 (Refurbished) - Smart Generation | Apple Refurbished
iMac Intel 21.5" EMC 2638 RAM Replacement - iFixit Repair Guide
Refurbished Apple iMac 21.5-Inch, Intel Quad Core i5-4570R, 1TB HDD, 8GB RAM, Intel Pro 5200, C (Late - 2013) - Mobilehotspot
2013 iMac teardowns reveal SSD slots, soldered-in CPU in the 21.5” model | Ars Technica
Apple's New 21.5 Inch iMac Has Upgradeable Parts — That's a Huge Deal
How to Upgrade iMac RAM: 2012-2020: EveryMac.com
iMac (21.5-inch, Mid 2011) (SSD + Ram Upgrade), Computers & Tech, Desktops on Carousell
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
Best Buy: Pre-Owned Apple iMac 21.5-inch Desktop "Core i3" 3.3 (Early 2013) 4GB Memory 500GB HDD ME699LL/A
Install memory in an iMac - Apple Support
Apple Posts iMac (Late 2013) Memory Specifications
The Display - 21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
How to Upgrade iMac RAM: 2012-2020: EveryMac.com
Memory upgrade: Apple iMac 2012/2013/2014 (Howto)
Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU - 9to5Mac
iMac Intel 21.5" EMC 2389 RAM Replacement - iFixit Repair Guide
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
Install memory in an iMac - Apple Support
Apple iMac 21.5 Inch Late 2013 UPGRADED 2.9GHz 16GB RAM | #1791616254
Install memory in an iMac - Apple Support (HK)
Install memory in an iMac - Apple Support (HK)
