parts-quick 16GB Memory for Razer Blade 15 (2018) DDR4 2667MHz SODIMM RAM 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
8GB DDR4 2666 2667 SODIMM Memory RAM Upgrade for APPLE MAC MINI Late 2018 A1993 | eBay