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Amazon.com: ThreeBulls PWM Fan Hub , PC CPU Cooling 4 PIN/3PIN Power Cable Hub Splitter Adapter Sleeved Case for 12V Desktop Computer Cooler Fans 1 to 5 Way (15.7 Inch) : Electronics
CHA_FAN1 can't control 3-pin fans but PWM fans, however CHA_FAN2&3 can control both on my ASRock X370 Killer SLI | Overclock.net
![Amazon.com: ThreeBulls PWM Fan Hub , PC CPU Cooling 4 PIN/3PIN Power Cable Hub Splitter Adapter Sleeved Case for 12V Desktop Computer Cooler Fans 1 to 5 Way (15.7 Inch) : Electronics Amazon.com: ThreeBulls PWM Fan Hub , PC CPU Cooling 4 PIN/3PIN Power Cable Hub Splitter Adapter Sleeved Case for 12V Desktop Computer Cooler Fans 1 to 5 Way (15.7 Inch) : Electronics](https://m.media-amazon.com/images/I/51T5u5vG2IS._AC_UF350,350_QL80_.jpg)
Amazon.com: ThreeBulls PWM Fan Hub , PC CPU Cooling 4 PIN/3PIN Power Cable Hub Splitter Adapter Sleeved Case for 12V Desktop Computer Cooler Fans 1 to 5 Way (15.7 Inch) : Electronics
![Asus z87-a [44/100] 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3 Asus z87-a [44/100] 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3](https://mcgrp.ru/views2/1159720/page44/bg2c.png)