G.SKILL Ripjaws SO-DIMM 16 GB DDR4 2666MHz, F4-2666C18S-16GRS C 18 1.2 V Laptop Memory Module at Amazon.com
F4-2666C15D-16GVR - G.SKILL International Enterprise Co., Ltd.
F4-2666C18D-16GTZR - G.SKILL International Enterprise Co., Ltd.
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