27 inch iMac with Retina 5k Display 2019 3.7GHz i5 4TB SSD 64GB RAM | Refurbished | Techable
OWC Confirms New Low-End 27-inch iMac Can Be Fitted With 64GB RAM - MacRumors
27 inch iMac with Retina 5k Display 2019 3.7GHz i5 4TB SSD 64GB RAM | Refurbished | Techable
Adamanta 64GB (2x32GB) Memory Upgrade for 2020 Apple iMac 27" w/Retina 5K Display, 2019 Apple iMac 27" w/Retina 5K Display, 2018 Apple Mac Mini DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v DRAM