Some memory speed benchmarks with a Ryzen 1700 @ 4.0GHz and a 1080 Ti, 2666 Auto vs 3200C14 vs 3466C14 tweaking sub-timings. Timings and settings used in the comments. : r/Amd
Aerofara TANK56 Mini PC AMD Ryzen 5 5600U (Up to 4.2GHz) 8GB/16GB RAM – AEROFARAPC
Ryzen 7 1700 Ram stability and timings? | Overclockers UK Forums