Adamanta 64GB (2x32GB) Memory Upgrade for 2019 Apple iMac 27" w/Retina 5K Display, Late 2018 Apple Mac Mini DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v DRAM RAM : Amazon.in: Computers & Accessories
2019 5K iMac RAM Upgrade Guide - YouTube
Adamanta 128GB (4x32GB) Memory Upgrade for 2020 Apple iMac 27" w/Retina 5K Display & 2019 Apple iMac 27" w/Retina 5K Display DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v DRAM RAM at Amazon.com
Timetec Hynix IC 8GB Compatible for Apple 2019 iMac 27-inch w/Retina 5K Display, Late 2018 Mac Mini DDR4 2666MHz PC4-21300 1Rx8 CL19 1.2V SODIMM Memory RAM Upgrade (8GB) : Amazon.in: Computers &
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
NEMIX RAM 64GB Memory Upgrade Kit (2x32GB) SODIMM DDR4 2666MHz PC4-21300 Compatible for Apple iMac Mid 2020 (iMac20,1 / 20,2) / Mid 2019 (iMac19,1) 27-inch w/Retina 5K Display, Late 2018 Mac Mini 8,1 at Amazon.com