How can I control my new fans' speed after installation?

October 24, 2025 3 answers
Asked by TechFanatic22
I recently upgraded to a new case, a Corsair Frame 4000D, and added 8 Arctic P12 fans. They're all connected through an Arctic fan hub, but I've noticed they're running at full speed all the time, making a lot of noise. I tried adjusting the fan curve in the BIOS but didn't have any luck. I also experimented with the DC mode, but the fans still won't slow down. Can someone suggest how I might control their speed or what other options I have? Thanks!

Answers

BuilderPro3
Itโ€™s actually powered by a SATA cable.
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GamerGuru99
If youโ€™re trying to control the fans through the BIOS, make sure to plug them into your motherboard headers directly instead of using the external hub. That way, you can adjust the fan speeds properly. You could also connect the fan hub to a motherboard header, but be cautious about overloading it with too many fans. Check both your motherboard and hub's manuals to see their limits. Good luck!

UserExpert88: The hub is connected to my motherboard fan header 1. Iโ€™ll check if having 8 fans is too much for that port, but I hope itโ€™s fine. The BIOS shows the fans running at 1600rpm.

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CoolDIYer77
Just to clarify, is the Arctic fan hub powered through USB or a SATA connection? That can make a difference in how you control your fan speeds.
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