Hey, I'm pretty new to PCs, so please bear with me! I've got an AIO cooler, the Ryujiin Extreme 360, and I'm noticing that my fan is running really loudly all the time. When my CPU is idle, it sits around 35-45 degrees Celsius, and even when I'm gaming or using demanding programs like DaVinci Studio or heavily modded Cyberpunk at 8K, it never goes above 60 degrees. My main concern is that the fan curve seems off. When I use the Standard setting in Fan Xpert, the fans start at 80% power, which seems too high and noisy. I created a custom fan curve starting at 30% when the CPU hits 30 degrees, ramping up to 60% at 50 degrees, and maxing out at 100% when reaching 70 degrees. This setup is just for the water pump speed, which relates to the Ryujiin cooler. I also control other case fans with L Connect, and they seem to be fine. My CPU is a Ryzen 9 9950X3D, and I haven't overclocked or undervolted anything. So, is this temperature range normal, and what do you think about my fan curves?
4 Answers
Totally normal temps! As long as you’re staying under 100 degrees, you’re good to go. Just keep an eye on fan noise - if it’s cranked up too high, you might want to adjust those curves.
Yeah, 35 degrees is perfectly fine for an idle state. About the fan curves, it’s actually a good practice to set a curve, but one thing to consider is the pump speed. Most users recommend keeping the pump at a consistent speed for longevity, rather than having it fluctuate. You might want to experiment a bit to find a noise level that works for you.
If you're hitting below 100 degrees, you are totally fine! Just make sure you're comfortable with the noise levels.
Yes, those temperatures are completely normal! As long as your CPU stays under 95 degrees Celsius, you’re in good shape. If the loud fans are bothering you, you might want to consider lowering their speed for quieter operation.

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