Coolerguys 4 pin PWM Fan to USB Cable Adapter 12" / 30cm
$1.95
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Coolerguys 4 pin PWM Fan to USB Cable Adapter 12" / 30cm 840556070610 This molded adapter cable will power your 4 pin fan off a USB port or power supply. USB power is always going to be 5v: it will run a 5v fan at 100% speed and a 12v fan at 42% speed. You will lose PWM function (speed control) if using these.
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