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Can I run Noctua 3-pin fans on 4-pin PWM connectors or 4-pin fans on 3-pin connectors? : Noctua Knowledge Centre
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4 Pin Fan Controller High Quality 5-Port Fan Hub with PWM Function and Speed Control for PC Computer Case Fans Black - AliExpress
![are all 3 pin fans running at (5v) and all 4 pin fans running at (12v)? If so, why is a 3 pin fan able to connect to a 4 pin header are all 3 pin fans running at (5v) and all 4 pin fans running at (12v)? If so, why is a 3 pin fan able to connect to a 4 pin header](https://preview.redd.it/are-all-3-pin-fans-running-at-5v-and-all-4-pin-fans-running-v0-eq5o5vbas70b1.jpeg?width=602&format=pjpg&auto=webp&s=06d61a3991e72f3b38f5ded69f5dcb36a52ab11d)
are all 3 pin fans running at (5v) and all 4 pin fans running at (12v)? If so, why is a 3 pin fan able to connect to a 4 pin header
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Amazon.com: SinLoon 3 Pin 4 Pin Fan Adapter PWM PC Chassis Cooling Fan Hub,Chassis Fan Pressure Regulating Governor,8 Way Splitter 12V Speed Controller with 6 Pin Power Port(8 Way with Cable Black ) :
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