G.Skill Ripjaws V Series 16GB (2 x 8GB) 288-Pin SDRAM (PC4-19200) DDR4 2400 CL15-15-15-35 1.20V Dual Channel Desktop Memory Model F4-2400C15D-16GVR at Amazon.com
Amazon.com: G.Skill 8GB Ripjaws V Series DDR4 PC4-21300 2666MHz for Intel Z170 Platform Desktop Memory Model F4-2666C15S-8GVR