27 inch iMac with Retina 5k Display 2019 3.7GHz i5 1TB SSD 16GB RAM | Refurbished | Techable
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
Apple iMac 24" M1 8C7C 16GB RAM 256GB SSD - Blue - Z14M-2002041462 - All-in-One Computers - CDW.com
Crucial 16GB DDR4-2400 SODIMM Memory for Mac | CT16G4S24AM | Crucial.com