I just built a new PC around the i9-10850K CPU. Motherboard is ASUS ROG MAXIMUS XII HERO Intel Z490.
Cooler is the famous EVO 212, single fan version, but with a 2nd Noctua fan added. Nice fan BTW for $20.
I have another (cheap) 120mm case fan right "upwind" of the CPU, on the back of the case...