F4-2666C19D-16GNT G.Skill 16GB Kit (2 X 8GB) PC4-21300 DDR4-2666MHz non-ECC
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
Desktop Memory - G.SKILL International Enterprise Co., Ltd.
64GB G.Skill DDR4 PC4-21300 2666MHz Ripjaws V for Intel Z170/X99 CL18 Dual Channel kit 2x32GB 1.2V
G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C15D-16GVR Desktop Memory - Newegg.com
G.skill F4-2666C19S-8GRS 8GB DDR4 2666MHz Memory Model - Walmart.com
G.SKILL Ripjaws SO-DIMM 16 GB DDR4 2666MHz, F4-2666C18S-16GRS C 18 1.2 V Laptop Memory Module at Amazon.com