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3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc
![buck - PWM FAN controller & Ideal 24V DC to DC 5V Converter just to feed 556 IC - Electrical Engineering Stack Exchange buck - PWM FAN controller & Ideal 24V DC to DC 5V Converter just to feed 556 IC - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/t7tvP.png)
buck - PWM FAN controller & Ideal 24V DC to DC 5V Converter just to feed 556 IC - Electrical Engineering Stack Exchange
![Dc 12v Pwm Fan Temperature Controller Adjustable Speed Governor For 4-wire Computer Fan - Integrated Circuits - AliExpress Dc 12v Pwm Fan Temperature Controller Adjustable Speed Governor For 4-wire Computer Fan - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/Hd6c0b27c67b44a90ac9a6c5e284cf64bW.jpg)
Dc 12v Pwm Fan Temperature Controller Adjustable Speed Governor For 4-wire Computer Fan - Integrated Circuits - AliExpress
Is it normal for a 4 pin fan splitter to have 1 4 pin input and x 3 pin inputs? Does that still work with PWM? - Quora
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