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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: CRJ Female 4-Pin (3+1) PWM PC Fan 2.54mm Housing and Crimp Connector Set (5-Pack) : Electronics
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Is it normal for a 4 pin fan splitter to have 1 4 pin input and x 3 pin inputs? Does that still work with PWM? - Quora
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