iMac 21.5" 4K 2019 | 8GB RAM / 256GB SSD | Tech to School
2019 5K iMac RAM Upgrade Guide - YouTube
Refurbished: Apple A Grade Desktop Computer 27-inch iMac A2115 2019 MRR12LL/A 3.7 GHz Core i5 (I5-9600K) 32GB RAM 1TB SSD Storage Mac OS Include Keyboard and Mouse - Newegg.com
Compatible with 2020 2019 5K 27 inch IMAC 64GB 32GB 16GB 8GB DDR4 2666 2667 apple all-in-one PC memory RAM - AliExpress
Apple iMac 27 Inch 5K 2019 3.6 GHz i9 1TB 64GB RAM Vega 48 8GB GFX VES – Quality Macs