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3 pin and 4 pin Fan Wire Diagrams
3 pin Fan Connections
*cable coloring varies from fan to fan
| Pin Name | Color | Color | Color | Color | |
| 1 | Ground | Black | Black | Gray | Black |
| 2 | +12v | Red | Black | Gray | Yellow |
| 3 | Tach/Signal/Sense | Yellow | Black | Gray | Green |
4 pin Fan Connections
*cable coloring varies from fan to fan
| Pin Name | Color | Color | Color | Color | |
| 1 | Ground | Black | Black | Gray | Black |
| 2 | +12v | Red | Black | Gray | Yellow |
| 3 | Tach/Signal/Sense | Yellow | Black | Gray | Green |
| 4 | Control/PWM | Blue | Black | Gray | Blue |