What is a 4 pin PWM fan?

Related questions

1. How does PWM work?
2. Why do we need PWM?
3. Where is the chassis fan on a computer?
4. What is PWM fan?
5. What is 4 pin Molex connector?
6. Can 4 pin fan connect to 3 pin?
7. What is SYS fan on motherboard?
8. What is a chassis fan connector?
9. What does Molex connect to?
10. Can you plug fans into PSU?

Tags

1. #rotation
2. #pinout
3. #which
4. #connector
5. #capable
6. #speed
7. #sense
8. #relay
9. #ground
10. #requires
11. #collector
12. #connected
13. #drain
14. #output
15. #control
16. #usually