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
![pins - Is the PWM rail of a 4pin pwm Computer fan Positive or negative - Electrical Engineering Stack Exchange pins - Is the PWM rail of a 4pin pwm Computer fan Positive or negative - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/5ipAk.png)
pins - Is the PWM rail of a 4pin pwm Computer fan Positive or negative - Electrical Engineering Stack Exchange
StarTech.com 12in 4 Pin PWM Fan Extension Power Y Cable - F/M - FAN4SPLIT12 - System Cooling Fans - CDW.com
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