G.Skill Trident Z RGB Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTZR at Amazon.com
G.Skill Trident Z5 RGB Series (Intel XMP) 32GB (2 x 16GB) 288-Pin SDRAM DDR5 6000 CL36-36-36-96 1.35V Dual Channel Desktop Memory F5-6000J3636F16GA2-TZ5RK (Matte Black) at Amazon.com
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