How to upgrade the 27-inch 5K iMac (2019) with a massive 128GB of RAM [Video] - 9to5Mac
Performance, features and verdict - Apple iMac (27-inch, 2019) - Page 2 | TechRadar
iMac 21.5" 4K 2019 | 8GB RAM / 256GB SSD | Tech to School
32GB NEMIX RAM Memory for 2019 Apple iMac 27 inch Retina 5K (iMac19,1 A2115), 2018 Apple Mac Mini (Macmini8,1 A1993) System Specific Memory - Newegg.com