What is pwm fan?

PWM (Pulse Width Modulation) fans are computer cooling fans that use a technology to control the speed of the fan based on the temperature of the computer system.

PWM fans have a 4-pin connector that allows them to receive a variable voltage input, which allows the fan to spin at different speeds depending on the temperature of the system. This allows for more efficient cooling as the fan can speed up when the system is under heavy load and slow down when it is idle.

PWM fans are typically quieter and more energy efficient than standard fans, as they only consume as much power as necessary to cool the system effectively. They are also known for their durability and longevity, making them a popular choice for computer cooling solutions.

Overall, PWM fans are a great option for those looking to optimize their computer's cooling system for maximum performance and efficiency.