Photo 1 of 12V 4-Pin PWM Fan Controller 6 PC Fans Supported, Fan Speed Adapter Hub for Fans Cooling, Adjustable Speed Knob, SATA & DC Dual Power Input, 60W 5A Output Max

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Photo 1 of 12V 4-Pin PWM Fan Controller 6 PC Fans Supported, Fan Speed Adapter Hub for Fans Cooling, Adjustable Speed Knob, SATA & DC Dual Power Input, 60W 5A Output MaxPhoto 2 of 12V 4-Pin PWM Fan Controller 6 PC Fans Supported, Fan Speed Adapter Hub for Fans Cooling, Adjustable Speed Knob, SATA & DC Dual Power Input, 60W 5A Output Max