Question Southbridge is running hot

[jackman9061]

I finally completed my first PC build and ran into a problem. Upon going into the BIOs settings, I found out that the temperature on the Southbridge was climbing pretty drastically. It managed to get up to 67°C before I turned the PC off. The motherboard I'm using is the ASRock X570 Phantom Gaming 4 Wifi Ax. The fan on the Southbridge runs at over 6000rpm, which is pretty loud, and I have the 2 Purewings 140 fans set up on the top and bottom part of the fan cobtroller and I put a Fractal Design Dynamic GP-14 fan (not the PWM or X2 model, just the original) in the middle part of the fan controller on my be quiet! Silent Base 601 case (no window). I have a NH-D15S CPU cooler with the NF-A15 PWM fan that came with it. And I have a NF-A14 PWM fan on the back of the case for exhaust. The CPU and GPU temps aren't really hot like the SB is. My Sapphire RX590 Nitro + SE is pretty close to the Southbridge's fan, but it isn't blocking it. So how do I make the Southbridge's temps cooler?

 

[DavidVioMC]

Is the mobo used or new?

 

[jackman9061]

Is the mobo used or new?

It's a new Motherboard