Timetec 32GB KIT(2x16GB) Compatible for Apple DDR4 2666MHz / 2667MHz for Mid 2020 iMac (20,1/20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K, Late 2018 Mac Mini (8,1) PC4-21333 /PC4-21300 MAC RAM at Amazon.com
32GB (1x32GB) DDR4 2666 PC4-21300 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Amazon.com: NEMIX RAM 32GB Kit (2 x 16GB) DDR4-2666 SODIMM 2Rx8 Memory for ASUS Motherboards: Computers & Accessories
Crucial Memory Bundle with 32GB (2 x 16GB) DDR4 PC4-21300 2666MHz(CT2K16G4SFS8266) at Amazon.com
Supermicro Compatible MEM-DR432L-HL01-SO26 32GB DDR4-2666 PC4-21300 Non-ECC Unbuffered Memory by NEMIX RAM at Amazon.com