OWC SSD Upgrade Kits for 21.5-Inch iMac (2013 - 2019)
iMac "Core i5" 2.8 21.5" (Late 2015) Specs (Late 2015, MK442LL/A, iMac16,2, A1418, 2889): EveryMac.com
CMS 16GB (4X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core I3 3.06 21.5-Inch (Mid-2010) - A28 at Amazon.com
16GB Memory Upgrade for MacBook Pro, iMac, and Mac mini
Apple-Inc.-iMac16,2 -Intel(R)-Core(TM)-i5-5675R-CPU-@-3.10GHz-8-GBytes-Serial-ATA-3Gb/s-@-3Gb/s-Grade:B
iMac Intel 21.5" EMC 2889 Teardown - iFixit
16GB Memory Upgrade Kit for 2012-2013 iMac 21.5-Inch
27 inch iMac with Retina 5k Display 2019 3.7GHz i5 2TB SSD 16GB RAM | Refurbished | Techable
A-Tech 16GB (2x8GB) RAM for Apple iMac 2017 (27 inch Retina 5K & 21.5 inch Retina 4K) | DDR4 2400MHz SODIMM PC4-19200 1.2V 260-Pin SO-DIMM Memory Upgrade Kit at Amazon.com
OWC 16GB (2 x 8GB) PC14900 DDR3 1866MHz SO-DIMMs Memory Compatible with 2015 (Late) iMac 27" w/Retina 5K Models and Compatible PCs (OWC1867DDR3S16P) at Amazon.com
Refurbished Apple iMac 16,2/i7-5775R/8GB RAM/2TB Fusion Drive/21.5-inch 4K RD/B (Late - 2015) | SafepcDirect
Refurbished Apple iMac 16,2/i5-5675R/Quad Core/16GB RAM/1TB SSD/21.5-Inch 4K RD/Pro 6200/B (Late - 2015) | SafepcDirect
iMac (21.5-inch, 1.6GHz Intel Core i5, Late 2015) | iGotOffer
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
iMac Pro Memory Maxxer RAM Upgrade Kit
iMac Intel 27" EMC 2546 RAM Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
iMac Soldered RAM Upgrade (Late 2015): 16GB - YouTube
Install memory in an iMac - Apple Support
iMac Intel 27" EMC 2429 (Mid 2011) Memory Maxxer RAM Upgrade Kit
How to Upgrade iMac RAM: 2012-2022: EveryMac.com
iMac Soldered RAM Upgrade (Late 2015): 16GB - YouTube
How to upgrade iMac (2020) RAM and save up to $2000 - 9to5Mac
iMac | 3.1 GHz Intel i5 | 21.5 Inch | Late 2015 - Techable.com
