OWC 32GB PC21300 DDR4 2666MHz SO-DIMM Memory Compatible with Mac Mini 2018, iMac 2019 and up, Dell, HP, Lenovo, ASUS and Compatible PCs (OWC2666DDR4S32G) at Amazon.com
Patriot 32GB Signature Line DDR4 2666 MHz DR PSD432G26662S B&H
Apple Memory Module 32GB DDR4 2666MHz SO-DIMMS (2x16GB) - Apple