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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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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3pin 4pin Fan to USB Adapter Cables 3/4 Pin Computer PC Fan Power Cable Connector 5V 30cm 50CM Connect - AliExpress
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