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#11
I would suggest you monitor your temps and adjust from there. I run a very silent system - only three case fans + two 140mm for AIO radiator and my CPU (i9-9900K) idle temps average 37C. Heavy load around 85C.
Since I don't overclock I keep my fans mid range - two large 200mm fans max at 750 RPM but I run around 400 RPM. The three 140mm Corsair fans run max 1600 but I run below 1000 RPM.
For me, being an audiophile, I need an extremely quiet system over extremely low temps (especially since I don't overclock).