Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else
Amazon.com: Apple 2020 iMac with Retina 5K Display (27-inch, 8GB RAM, 512GB SSD Storage) : Electronics
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Retina 5K 27-Inch (Late 2014) Core I5/I7 - A7 at Amazon.com
Amazon.com: celicious Matte Anti-Glare Screen Protector Film Compatible with iMac 27 Retina 5K (A2115) [Pack of 2] : Electronics