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Amazon.com: Motherboard PWM Fan Hub Splitter, 4 Pin Sleeved 1 to 5 Splitter 5 Way PC CPU Case Internal Cooling Case Fan Power Extension Splitter Adapter Cable for ATX Computer Case &
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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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