![Amazon.com: 1pc New Computer Cooling Fan Cables 12v / 5v DC for CPU PC Case Fan 4-Pin Molex to 3-Pin Fan Power Cable Adapter Connector : Electronics Amazon.com: 1pc New Computer Cooling Fan Cables 12v / 5v DC for CPU PC Case Fan 4-Pin Molex to 3-Pin Fan Power Cable Adapter Connector : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/5100PHGg8QL.jpg)
Amazon.com: 1pc New Computer Cooling Fan Cables 12v / 5v DC for CPU PC Case Fan 4-Pin Molex to 3-Pin Fan Power Cable Adapter Connector : Electronics
![BAIRONG 5PCS Female 3-Pin PC Fan Connector Kit (5PCS 3 Pin 3Pin Fan Female PWM Power Shell Connector Housing + 15PCS Terminal Crimp Pins) - Newegg.com BAIRONG 5PCS Female 3-Pin PC Fan Connector Kit (5PCS 3 Pin 3Pin Fan Female PWM Power Shell Connector Housing + 15PCS Terminal Crimp Pins) - Newegg.com](https://c1.neweggimages.com/ProductImage/A7WMD21111111YS6LF7.jpg)
BAIRONG 5PCS Female 3-Pin PC Fan Connector Kit (5PCS 3 Pin 3Pin Fan Female PWM Power Shell Connector Housing + 15PCS Terminal Crimp Pins) - Newegg.com
![Which wire is the positive and which the negative on this fan? - Electrical Engineering Stack Exchange Which wire is the positive and which the negative on this fan? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/xSqSe.png)