Hi there, I have recently built a PC to handle MSFS . It works really well.
Here's the specs:
Motherboard: MSI B550 Tomahawk
CPU: AMD Ryzen 7 5800X
GPU: Nvidia 3060TI
RAM : 32 GB Kingston Fury DDR4
SSD: Samsung M2 1TB
Case: Corsair 5000D
I've gone with air cooling and temps are fine
Cheers