Hi, I have an old-ish motherboard with a single 4-pin PWM header and two 3-pin headers. Unfortunately, the 3-pin version of the fan I want is no longer available :( I'm considering just buying 3 ...

A PWM fan is essentially a DC fan with an additional pin, but one that fundamentally changes the way the fan works. This fourth pin transmits what is known as a pulse width modulation (PWM) signal ...

4-Pin PWM Fan Hub Splitter 1 to 5 Power Supply Cable 5 Way PC Case Internal Motherboard Fan Power Extension Cable Cord Wire for Computer Case 4-Pin and 3-Pin Cooling Fans, 13 inch Black https ...