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
Crucial DDR4 16 GB (2 x 8 GB) 2666 MHz CL19 - PC RAM Crucial on LDLC | Holy Moley
Kingston HX426C16FB4 16GB 2666MHz DDR4 CL16 DIMM HyperX FURY Black – ELN Online Store Philippines