ADATA RAM Premier Series - 8 GB - DDR4 2666 UDIMM CL19 at Amazon.com
Hynix 8GB PC4-21300 DDR4-2666MHz 260-Pin SODIMM 1.2V Single Rank Memory Module HMA81GS6CJR8N-VK at Amazon.com
parts-quick 16GB Memory for HP ZBook Fury 15 G7 Mobile Workstation (iCore i5,i7,i9) Compatible RAM Upgrade DDR4-2667 SODIMM at Amazon.com
parts-quick 16GB Memory for Razer Blade 15 (2018) DDR4 2667MHz SODIMM RAM at Amazon.com
Atermiter Ddr4 D4 Motherboard Set With Xeon E5 2667 V4 Lga2011-3 Cpu 2pcs X 16gb= 32gb 2133mhz Ddr4 Ram Memory Reg Ecc - Motherboards - AliExpress
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
ddr4 2667 memory - Newegg.com
Ballistix Tactical Tracer DDR4 RGB 32GB 2667 MHz review - Memory timings - The 64-bit OS and your memory
8GB DDR4 2666 2667 SODIMM Memory RAM Upgrade for APPLE MAC MINI Late 2018 A1993 | eBay
parts-quick 8GB Memory for HP ZBook Fury 15 G7 Mobile Workstation (iCore i5,i7,i9) Compatible RAM Upgrade DDR4-2667 SODIMM at Amazon.com