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Amazon.com: C2G Legrand Pass-Through Power Adapter Cable, 3 Pin to 4 Pin Adapter to Use as Computer Fan Adapter Cable, 6 Inch PC Fan Power Adapter, 1 Count, C2G 27078 : Electronics
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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