Apple Silver 24" iMac M1 Desktop Computer (2021) - Z12R000LU
OWC 16GB (2 x 8GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs (OWC2666DDR4S16P) at Amazon.com
Apple iMac All-in-One Desktop 27-inch (5K) 3.8GHZ 8-Core i7 (2020) 10TB HD & 512GB Flash & 16GB RAM-Mac OS (Refurbished) - Walmart.com