RAM Speed of DDR2, DDR3, DDR4, LPDDR3, LPDDR4, LPDDR4X - CPUs, Motherboards, and Memory - Linus Tech Tips
Gaming on DDR4 Memory: 2133 vs 2666 & 3200MHz, 8GB vs 16GB
G.SKILL F4-3600C16Q-32GTZR 32 GB (8 GB x 4) Trident Z RGB Series DDR4 3600 MHz Dual Channel Memory Kit - Black with Full Length RGB LED Light bar at Amazon.com