SK hynix 16GB DDR5 5600MHz Laptop RAM 1Rx1 PC5-5600B-SC0 SODIMM HMCG66AGBSA095N for sale online | eBay
OWC 16GB (2 x 8GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs (OWC2666DDR4S16P) at Amazon.com