Timetec 64GB KIT(2x32GB) Compatible for Apple DDR4 2666MHz for Mid 2020 iMac (20,1 / 20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K Display, Late 2018 Mac Mini (8,1) PC4-21333 / PC4-21300 MAC RAM at Amazon.com
64GB (2 X 32GB) Memory for 27" Apple iMac with Retina 5K Display (2019) iMac19,1 DDR4 2666MHz SO-DIMMS RAM (PARTS-QUICK Brand) at Amazon.com
64GB Kit (2 X 32GB) Memory for Lenovo ThinkPad P1 DDR4 2666MHz SoDIMM Memory (PARTS-QUICK Brand) at Amazon.com
Corsair CMW64GX4M4A2666C16 Vengeance RGB PRO 64GB (4x16GB) DDR4 2666 (PC4-21300) C16 Desktop Memory Black at Amazon.com