G.Skill Trident Z RGB Series 32GB (2 x 16GB) 288-Pin SDRAM (PC4-25600) DDR4 3200 CL16-18-18-38 1.35V Dual Channel Desktop Memory Model F4-3200C16D-32GTZR at Amazon.com
Amazon.com: DDR4 Ram,Asgard Valkyrie Series 32GB (2 x 16GB) 288-Pin DRAM DDR4 3200 CL-18-22-22-42 1.35V Dual Channel Desktop Memory Model - White : Electronics
Single Channel vs. Dual Channel vs. Quad Channel Memory