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PWM 4 Pin Fan Controller Hub 17A High-Power 8 Ports 4Pin CPU Case Cooler Fan Speed Splitter Adapter, Power by PCIe 6-Pin 12V Connector - Compatible with 2Pin & 3Pin Fan - Newegg.com
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Amazon.com: SinLoon Chassis Fan Pressure Regulating Governor, 2 Pin 3 Pin 4 Pin Fan Adapter PWM PC Chassis Cooling Fan Hub,4 Way Splitter 12V Speed Controller with 6 Pin Power Port(4 Way) : Electronics
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