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
G.Skill Trident Z RGB 32GB (2 x 16GB) DDR4-3600 PC4-28800 CL18 Dual Channel Desktop Memory Kit F4-3600 18D-32GTZR - Black - Micro Center