Which Fan should I use For Ryzen 5800x?
The Ryzen 7 5800X has a TDP of 105 watts so you need a CPU Cooler of a least 150 Watts TDP or higher either a AIO or AIR CPU Cooler.
This tech site recommends these 5 best CPU Cooler (AIO & AIR) for the 5800X: https://premiumbuilds.com/cpu-coolers/best-cpu-coolers-for-ryzen-7-5800x/
Personally, I'd go AIO.How large of a radiator can you accommodate in your case?Just go for the AIO with the largest rad you can fit.