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
Apple Memory Module 32GB DDR4 2666MHz SO-DIMMS (2x16GB) - Apple
Performance DDR4 2666MHz Notebook Memory
CORSAIR Vengeance Series 32GB (2x16GB) 2666MHz DDR4 C18 SODIMM Laptop Memory Black CMSX32GX4M2A2666C18 - Best Buy