![DIFCUL Cavo di alimentazione Molex a 4 pin a 4 pin / 4 pin PMW 12 V per alloggiamento PC, cavo di alimentazione a 3 pin o 4 pin (PWM) a Molex : Amazon.it: Informatica DIFCUL Cavo di alimentazione Molex a 4 pin a 4 pin / 4 pin PMW 12 V per alloggiamento PC, cavo di alimentazione a 3 pin o 4 pin (PWM) a Molex : Amazon.it: Informatica](https://m.media-amazon.com/images/I/61nSo05nRVL._AC_UF894,1000_QL80_.jpg)
DIFCUL Cavo di alimentazione Molex a 4 pin a 4 pin / 4 pin PMW 12 V per alloggiamento PC, cavo di alimentazione a 3 pin o 4 pin (PWM) a Molex : Amazon.it: Informatica
![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
![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)