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43000000 8in 12V PC Case Fan Power Adapter Cable, 3 Pin or 4 Pin PWM C – AMT | Computers & Electronics
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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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6in 3-pin Fan to 4-pin Pass-Through Power Adapter Cable | Internal PC Power Cables | Power Cords | Power Charging and Cable Management
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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
![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)