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FAQ: Can I run Noctua 3-pin fans on 4-pin PWM connectors and use my mainboard's automatic fan controller?
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PC 4 Pin Molex/IDE to 3 Pin CPU/Chasis/Case Fan Power Cable Adapter Connector|Cable Tools| - AliExpress
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ExtremeMod 4 Pin Molex to 2 x 3 Pin Male Computer Case Fan Power Connector Y-Splitter Adapter Cable : Electronics
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