MMoment 8GB DDR4 2666MHz SODIMM (PC4-21300) 1.2V CL 19 Non-ECC Unbuffered 260 Pin (2Rx8/Dual Rank Base on 1Gx8) Notebook Laptop Memory Upgrade Module at Amazon.com
DDR4 2666mhz 260Pin Memory Module, Fast Heat Dissipation 4GB/8GB/16GB Black Memory RAM Compatible for Notebook Computer(8GB) at Amazon.com
G.Skill Ripjaws V Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-21300) DDR4 2666 CL15-15-15-35 1.20V Dual Channel Desktop Memory Model F4-2666C15D-16GVR at Amazon.com