ASRock Z370 Taichi - Hot chipset

The numbers from the OP are very similar to mine when at rest.

well, I have the z370 professional i7 Fatal1ty and whatever else the name says and it is practically the Taichi with the aquantia onboard.

I had the same issue from day one idle at around 55-58 and under load 60-65 at times when here in Greece is summer and everything melts down.

I won't say that this is acceptable but coming from previous experience with a Gigabyte UD7-X58 I had the same issue there too and things there were even worse.

That Mobo still runs rock solid after a decade of pretty rough usage.

My point is to not freak out as this is probably a MoBo design issue as they have to put it somewhere in order to serve what it serves and most of the times the put it close to the GPU and taking into account what it goes through in a medium to a high-end system ... it makes perfect sense that it goes with such temps.

Unfortunately, the position offers no options for alternative cooling solutions so all you (myself included) have to do ... is to digest it and move forward.