Can I Control Fan Speed for Fans Connected Directly to My PSU?

October 29, 2025 2 answers
Asked by TechieSamuel94
I'm wondering if there's a way to control the speed of case fans that I have connected directly to my power supply unit (PSU). I can't hook them up to my motherboard. After installing two new fans, they ended up being super loud. Is there any device or hub available that would let me adjust the fan speeds for those connected to the PSU? Thanks!

Answers

GadgetGuru88
You might want to look into getting a fan hub that allows fan speed control. It would plug into the motherboard, which means you'd control the fans from there. Keep in mind that if your fans are plugged directly into the PSU, they'll just run at full speed all the time. Some older cases had built-in fan controllers; that might be another option if you can find one that fits your setup!
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HardwareWhiz77
A fan hub usually pulls power from the motherboard, which shouldnโ€™t conflict with anything as long as you donโ€™t overload it. But thatโ€™s a good pointโ€”just check your motherboardโ€™s specs to be safe and ensure it can handle it.
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