However, ultimately, the best way to know the fan speeds for your system fan is to check the manual or the manufacturer specifications online. Smaller fans push less air, so the CPU fan speed needs to be higher to compensate for that.īelow are some of the typical ranges for fan speeds for particular fan sizes: Since the fan speed is lower, they also tend to be quieter. The size of the fan impacts how much airflow there is.Ī fan with a bigger diameter tends to run at a lower speed most of the time since it is able to push more air with a single rotation. One of the things that impacts your average CPU fan speed is how large the fan is. That's exactly why it is important to understand the CPU fan curves for your computer, especially if you want to tailor it to your taste. Since this might not be optimal for you, it is possible to adjust fan curves to your taste. Plus, it also lets you see how the manufacturer has set the PC fans to respond to heat. This is why it is important to have all the fans in your PC run only when they are needed the most.įan curves make it possible to view how your fan speed changes as the temperature builds. However, with a higher fan speed comes more noise. The faster they spin, the more of a cooling effect they can have. Your GPU fans and CPU cooler fans are responsible for helping reduce this heat and keep temperatures low. When this heat is left unchecked, it reduces the performance of the components producing them, particularly the CPU and GPU. With all this work going on, it is natural that they produce a lot of heat. When you run your computer, the components inside it perform billions of calculations every second. Now that you understand what CPU fan curves are, you might be wondering, why do you need to care about fan speeds in the first place? Well, I'll explain that.
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