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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
![Would anyone be able to explain this fan header? It's classed as a system fan header with 4 pins. However the wall around the pins is preventing me to plug my fan Would anyone be able to explain this fan header? It's classed as a system fan header with 4 pins. However the wall around the pins is preventing me to plug my fan](https://i.redd.it/hgxq6cnoy5c61.jpg)
Would anyone be able to explain this fan header? It's classed as a system fan header with 4 pins. However the wall around the pins is preventing me to plug my fan
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2-piece Fan Distributor, 4-pin Adapter Cable Sleeve Braid Distributor, Suitable For Desktop Computer Cpu Fan Distributor 1 To 4 Converter | Fruugo UK
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