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How to Set Up a Fan Curve for My AIO Cooler?

January 2, 2026 5 answers
Asked by CoolGamer500
I'm looking for help with configuring a fan curve for my AIO cooler. Here's my setup: Ryzen 5 5600G, MSI B550M Pro-VDH WiFi motherboard, 32GB DDR4 3200MHz RAM, and an Asus RTX4060 8GB GPU, with a Thermalright Frozen Notte 360 cooler. Currently, I have the AIO fans set up as exhaust and three additional fans at the bottom for intake. However, I'm experiencing some temperature fluctuations, where the fans ramp up randomly even during light use or idle. I'm using Fan Control software to set the curve. Any advice would be greatly appreciated!
AIO setup fan control Hardware PC building PC cooling Ryzen 5 thermal management

Answers

FanMaster3000
Try setting a higher baseline temperature for your fan curve and adjust the hysteresis settings. For example, I keep my fan speeds fixed below 60°C. This might help stabilize your temps during light usage without constant ramping up.

TechieNerd89: Does it get noisy at that baseline setting?

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CoolingGuru
What's the model of your AIO? Sometimes you can find fan profiles on their site that can help with the setup.

CoolGamer500: It's the Thermalright Frozen Notte 360; I forgot to mention that!

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ChillTech
Are you also controlling the pump speed with Fan Control? It's best to run the pump at a fixed speed instead of letting it ramp up and down. A speed around 80% should be good for the pump. For the AIO fans, find a speed that isn't too noisy, and keep it no faster than your bottom intake fans.

CoolGamer500: Yes, I set the pump to a fixed speed of 80%.

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FanaticPC
Consider keeping your fan speeds lower to avoid the noise issue. Just set a trigger temperature to ramp them up and drop the heat effectively without constant adjustments. It might make your experience smoother overall.
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QuietCool
You could operate it like a car radiator—run the fans at 80% when temperatures are above a certain threshold and turn them off when they fall below. I've found having a curve can be frustrating, especially with pump speeds, as it makes the noise variation more noticeable.
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