![FAQ: Can I run Noctua 3-pin fans on 4-pin PWM connectors and use my mainboard's automatic fan controller? FAQ: Can I run Noctua 3-pin fans on 4-pin PWM connectors and use my mainboard's automatic fan controller?](https://noctua.at/pub/media/wysiwyg/images/faqs/pwm_connector_1.jpg)
FAQ: Can I run Noctua 3-pin fans on 4-pin PWM connectors and use my mainboard's automatic fan controller?
![En Labs 1 way 3pin Fan Speed Controller, motherboard 3pin 4pin header to case fan 5V~12V Regulator Voltage Governor| | - AliExpress En Labs 1 way 3pin Fan Speed Controller, motherboard 3pin 4pin header to case fan 5V~12V Regulator Voltage Governor| | - AliExpress](https://ae01.alicdn.com/kf/Hc34eea2f6b484f07aebae6c81c37a7cdT/En-Labs-1-way-3pin-Fan-Speed-Controller-motherboard-3pin-4pin-header-to-case-fan-5V.jpg_Q90.jpg_.webp)
En Labs 1 way 3pin Fan Speed Controller, motherboard 3pin 4pin header to case fan 5V~12V Regulator Voltage Governor| | - AliExpress
![Amazon.com: 12V 4Pin PWM & 5V 3Pin ARGB with SATA 15Pin Power 2-in-1 Hub 6 Way Sync CPU Cooling Fan Addressable RGB Lighting PCB Splitter for Extended Motherboard Interface -Black : Electronics Amazon.com: 12V 4Pin PWM & 5V 3Pin ARGB with SATA 15Pin Power 2-in-1 Hub 6 Way Sync CPU Cooling Fan Addressable RGB Lighting PCB Splitter for Extended Motherboard Interface -Black : Electronics](https://m.media-amazon.com/images/I/51UiykSlZgL._AC_SY1000_.jpg)
Amazon.com: 12V 4Pin PWM & 5V 3Pin ARGB with SATA 15Pin Power 2-in-1 Hub 6 Way Sync CPU Cooling Fan Addressable RGB Lighting PCB Splitter for Extended Motherboard Interface -Black : Electronics
![Amazon.com: DEEPCOOL FH-10 Integrated Fan Hub, Powering up to 10 Fans (3-pin Non-PWM or 4-pin PWM), Occupying only One 4-pin Motherboard Header : Electronics Amazon.com: DEEPCOOL FH-10 Integrated Fan Hub, Powering up to 10 Fans (3-pin Non-PWM or 4-pin PWM), Occupying only One 4-pin Motherboard Header : Electronics](https://m.media-amazon.com/images/I/41-Mr0Itm3L._AC_.jpg)
Amazon.com: DEEPCOOL FH-10 Integrated Fan Hub, Powering up to 10 Fans (3-pin Non-PWM or 4-pin PWM), Occupying only One 4-pin Motherboard Header : Electronics
![3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc 3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc](https://external-preview.redd.it/_l5ENKCOuVbQos2tg9Ym8toB-Du9LiVg3r9gEdWUHZE.jpg?auto=webp&s=141d0981a3347e42e87d49eab13ad0e22bb2ecbe)
3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc
![En-labs 1 Way 3pin Fan Speed Controller, Motherboard 3pin 4pin Header To Case Fan 5v~12v Regulator Voltage Governor - Pc Components Cooling & Tools - AliExpress En-labs 1 Way 3pin Fan Speed Controller, Motherboard 3pin 4pin Header To Case Fan 5v~12v Regulator Voltage Governor - Pc Components Cooling & Tools - AliExpress](https://ae01.alicdn.com/kf/Ha6c8475478954b79af84f0251c5698fda/En-Labs-1-way-3pin-Fan-Speed-Controller-motherboard-3pin-4pin-header-to-case-fan-5V.jpg_640x640.jpg)