G.Skill Trident Z Royal Series [Silver] 16GB (2 x 8GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-16GTRS at Amazon.com
TEAMGROUP T-Force Vulcan Z DDR4 16GB Kit (2x8GB) 3200MHz (PC4-25600) CL16 Desktop Memory Module Ram (Gray) - TLZGD416G3200HC16CDC01 at Amazon.com