4k 60fps recording

Hi all! I run a podcast studio and it took us about a year to figure out the flow (with some OBS help) so that it's pretty much fully automated and works every single time without fail. We have 3 cameras and 4 mics and everything is flawless. The one issue is that we're shooting in 4K, which...

What is the best setting for 4k 60 fps recording? I know the basics already and I was wondering why I was having "encoder overload" despite having a high end system. This happens if I set the preset to "best quality" most of the time I can only record using "good quality" or "medium quality"...