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Amazon.com: PNGKNYOCN 3-Pin Fan to 4-Pin Molex Pass-Through Power Adapter Cable, 4-pin Molex/IDE to 3 Pin CPU Fan Power Cable(2-Pack) : Electronics
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Amazon.com: C2G Legrand Pass-Through Power Adapter Cable, 3 Pin to 4 Pin Adapter to Use as Computer Fan Adapter Cable, 6 Inch PC Fan Power Adapter, 1 Count, C2G 27078 : Electronics
![mosfet - How can I adapt a 3-pin PC fan connector to a 4-pin connector? - Electrical Engineering Stack Exchange mosfet - How can I adapt a 3-pin PC fan connector to a 4-pin connector? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/jcBeR.png)
mosfet - How can I adapt a 3-pin PC fan connector to a 4-pin connector? - Electrical Engineering Stack Exchange
![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
![Can I run Noctua 3-pin fans on 4-pin PWM connectors or 4-pin fans on 3-pin connectors? : Noctua Knowledge Centre Can I run Noctua 3-pin fans on 4-pin PWM connectors or 4-pin fans on 3-pin connectors? : Noctua Knowledge Centre](https://s3-eu-central-1.amazonaws.com/euc-cdn.freshdesk.com/data/helpdesk/attachments/production/101113000666/original/yprDOft-IvnICEu50WjeEeFjkwUZRdZMeA.png?1696429263)