Kingston 8GB DDR4-2666MHZ Single Rank SODIMM at Amazon.com
Transcend DDR4 DRAM Module (JetRam) 2666 Mbps 8GB (JM2666HSG-8G) at Amazon .com
Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR X8 SODIMM 260-Pin Memory - CT8G4SFS8266 at Amazon.com
parts-quick 8GB Memory for HP ProBook 450 G7 DDR4-2666 SODIMM RAM at Amazon .com
A-Tech 8GB Module for HP Omen 17-an120nr Compatible DDR4 2666MHz PC4-21300 Non-ECC SODIMM 1.2V - Single Laptop & Notebook Memory RAM Stick (ATMS397714A34073X1) at Amazon.com
Amazon.com: NEMIX RAM 16GB Kit (2 x 8GB) DDR4-2666 SODIMM 2Rx8 Memory for ASUS Motherboards : Electronics