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
G.SKILL F4-3600C16D-16GTZR 16 GB (8 GB x 2) Trident Z RGB Series DDR4 3600 MHz Dual Channel Memory Kit - Black with Full Length RGB LED Light bar at Amazon.com
Silicon Power Value Gaming DDR4 RAM 32GB (2x16GB) 3200MHz (PC4 25600) 288-pin CL16 1.35V UDIMM Desktop Memory Module with Heatsink Grey SP032GXLZU320BDAJ7 at Amazon.com
Crucial RAM 32GB Kit (2x16GB) DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT2K16G4SFRA32A at Amazon.com