Royal Memory: G.Skill's 32 GB DDR4-4000 CL15 Kit for AMD & Intel
G.Skill Ripjaws V 16 GB (2 x 8 GB) DDR4-3000 CL15 Memory (F4-3000C15D-16GVKB) - PCPartPicker
8GB 2400Mhz (CL12 vs CL14 vs CL15 vs CL16) | Tested 14 Games | - YouTube
64GB Micron E-die overclocking from 3000 Cl15-15-15-35 to 3800 CL16-20-16-36 tighten subtimings at 1.35V, with a 3800X on ASUS Crosshair VII Hero : r/Amd