![Amazon.com: SinLoon 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 4Knob ) : Electronics Amazon.com: SinLoon 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 4Knob ) : Electronics](https://m.media-amazon.com/images/I/71NhsUuFNpL.jpg)
Amazon.com: SinLoon 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 4Knob ) : Electronics
![Amazon.com: DC 12V 24V 4A 2-Way Adjustable PWM Fan Speed Controller, Automatic PC CPU Case Fan Temperature Control Governor with Sensor Universal for 2 3 4-Wire DC Fan : Electronics Amazon.com: DC 12V 24V 4A 2-Way Adjustable PWM Fan Speed Controller, Automatic PC CPU Case Fan Temperature Control Governor with Sensor Universal for 2 3 4-Wire DC Fan : Electronics](https://m.media-amazon.com/images/I/51ZaMVyhzmL.jpg)
Amazon.com: DC 12V 24V 4A 2-Way Adjustable PWM Fan Speed Controller, Automatic PC CPU Case Fan Temperature Control Governor with Sensor Universal for 2 3 4-Wire DC Fan : Electronics
![DC 12V 4 Wire PWM Fan Temperature Control Speed Controller Governor Regulator for PC Computer CPU Fan Cooler Alarm - Walmart.com DC 12V 4 Wire PWM Fan Temperature Control Speed Controller Governor Regulator for PC Computer CPU Fan Cooler Alarm - Walmart.com](https://i5.walmartimages.com/asr/7599f686-336b-48e3-8ee8-098cad531d7d.26ff321c50a0b5dc63acab1c52a07d2e.jpeg)
DC 12V 4 Wire PWM Fan Temperature Control Speed Controller Governor Regulator for PC Computer CPU Fan Cooler Alarm - Walmart.com
![Amazon.com: DC 12V PWM PC CPU Fan Temperature Control Speed Controller CPU Alarm Module : Electronics Amazon.com: DC 12V PWM PC CPU Fan Temperature Control Speed Controller CPU Alarm Module : Electronics](https://m.media-amazon.com/images/I/71XjgpCvfFL.jpg)
Amazon.com: DC 12V PWM PC CPU Fan Temperature Control Speed Controller CPU Alarm Module : Electronics
![Amazon.com: PWM Driver Module, DC 12V 24V 48V PWM 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm : Electronics Amazon.com: PWM Driver Module, DC 12V 24V 48V PWM 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm : Electronics](https://m.media-amazon.com/images/I/61zAE8XMwGL.jpg)
Amazon.com: PWM Driver Module, DC 12V 24V 48V PWM 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm : Electronics
![DC12V 4-Wire PWM PC Fan Temperature Control Manumotive Fan Speed Controller Module CPU High-Temperature Alarm With Buzzer With NTC 3950 Thermistor - Rytronics.in DC12V 4-Wire PWM PC Fan Temperature Control Manumotive Fan Speed Controller Module CPU High-Temperature Alarm With Buzzer With NTC 3950 Thermistor - Rytronics.in](https://www.rytronics.in/wp-content/uploads/2022/12/Ft232Rl-Usb-To-Ttl-Serial-Port-Board-5V-3.3V-1.8V-2.jpg)
DC12V 4-Wire PWM PC Fan Temperature Control Manumotive Fan Speed Controller Module CPU High-Temperature Alarm With Buzzer With NTC 3950 Thermistor - Rytronics.in
![Amazon.com: SinLoon 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 4Knob ) : Electronics Amazon.com: SinLoon 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 4Knob ) : Electronics](https://m.media-amazon.com/images/I/41nFMVlKI2L._AC_.jpg)
Amazon.com: SinLoon 4 Knob Cooling Fan Speed Controller PC 8 Channels Fan Hub for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 4Knob ) : Electronics
![4 Wire 2 Channel Pwm Fan Temperature Controller Pc Fan Motor Speed Controller Led Digital Thermostat Dc 12v 24v Heat Sink - Motor Controller - AliExpress 4 Wire 2 Channel Pwm Fan Temperature Controller Pc Fan Motor Speed Controller Led Digital Thermostat Dc 12v 24v Heat Sink - Motor Controller - AliExpress](https://ae01.alicdn.com/kf/HTB1AzMlUNjaK1RjSZKzq6xVwXXay/4-Wire-2-Channel-PWM-Fan-Temperature-Controller-PC-Fan-Motor-Speed-Controller-LED-Digital-Thermostat.jpg)
4 Wire 2 Channel Pwm Fan Temperature Controller Pc Fan Motor Speed Controller Led Digital Thermostat Dc 12v 24v Heat Sink - Motor Controller - AliExpress
![Amazon.com: Taidacent 2510-4P 3P Manual 4 Wires 0-5V 12V Fan Speed Controller PWM Speed Control On Off Switch for PC CPU Case Fan with Knob (Solder Connector with Plastic Black Knob) : Amazon.com: Taidacent 2510-4P 3P Manual 4 Wires 0-5V 12V Fan Speed Controller PWM Speed Control On Off Switch for PC CPU Case Fan with Knob (Solder Connector with Plastic Black Knob) :](https://m.media-amazon.com/images/I/81FUAPWO5BL.jpg)