PC Computers DDR3 DDR4 RAM 4/8/16/32 GB 1600MHz 2666MHz 3200MHz UDIMM Lot | eBay
Performance DDR3 1600MHz LV Notebook Memory
OWC 32GB (2 x 16GB) PC21300 DDR4 2666MHz SO-DIMMs Memory, Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs, (OWC2666DDR4S32P) at Amazon.com