![Amazon.com: SinLoon PC 8 Channels Fan Hub Knob Cooling Fan Speed Controller for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 1Knob) : Electronics Amazon.com: SinLoon PC 8 Channels Fan Hub Knob Cooling Fan Speed Controller for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 1Knob) : Electronics](https://m.media-amazon.com/images/I/71f3vjEF-1L._AC_UF894,1000_QL80_.jpg)
Amazon.com: SinLoon PC 8 Channels Fan Hub Knob Cooling Fan Speed Controller for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control- 4Pin Interface Power Supply ( 4 Pin 1Knob) : Electronics
![Chassis Fan Speed Controller PCI Bit Fan Controller Hub Desktop Computer Fan Speed Controller Supports 3 / 4Pin _ - AliExpress Mobile Chassis Fan Speed Controller PCI Bit Fan Controller Hub Desktop Computer Fan Speed Controller Supports 3 / 4Pin _ - AliExpress Mobile](https://ae01.alicdn.com/kf/He260ad7b97d94978b334262029076ac3i.jpg_640x640Q90.jpg_.webp)
Chassis Fan Speed Controller PCI Bit Fan Controller Hub Desktop Computer Fan Speed Controller Supports 3 / 4Pin _ - AliExpress Mobile
![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._AC_UF894,1000_QL80_.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
![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)
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: Fan Speed Controller Computer Fan Controller Speed Control Adjuster for PC, LED Cooling Front Panel, 4 Channel, 4-Pin & 3-Pin : Electronics Amazon.com: Fan Speed Controller Computer Fan Controller Speed Control Adjuster for PC, LED Cooling Front Panel, 4 Channel, 4-Pin & 3-Pin : Electronics](https://m.media-amazon.com/images/I/51mkDZVR2eL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fan Speed Controller Computer Fan Controller Speed Control Adjuster for PC, LED Cooling Front Panel, 4 Channel, 4-Pin & 3-Pin : Electronics
![5.25 Inch 12v Pc Computer Fan Controller 3 Fan Speed Controller Temperature Sensor Lcd Digital Display Front Panel For Pc - Accessories - AliExpress 5.25 Inch 12v Pc Computer Fan Controller 3 Fan Speed Controller Temperature Sensor Lcd Digital Display Front Panel For Pc - Accessories - AliExpress](https://ae01.alicdn.com/kf/H0d5c8dd0e947439b87692d08b8dcb2dbf/5-25-inch-12V-PC-Computer-Fan-Controller-3-Fan-Speed-Controller-Temperature-Sensor-LCD-Digital.jpg)
5.25 Inch 12v Pc Computer Fan Controller 3 Fan Speed Controller Temperature Sensor Lcd Digital Display Front Panel For Pc - Accessories - AliExpress
![Amazon.com: DC 12V 1A Automatic PC CPU Fan Temperature Control Speed Controller Case Fan Speed Governor with Sensor for 2 3 4 Wire Fan : Electronics Amazon.com: DC 12V 1A Automatic PC CPU Fan Temperature Control Speed Controller Case Fan Speed Governor with Sensor for 2 3 4 Wire Fan : Electronics](https://m.media-amazon.com/images/I/610qZLW7PpL.jpg)
Amazon.com: DC 12V 1A Automatic PC CPU Fan Temperature Control Speed Controller Case Fan Speed Governor with Sensor for 2 3 4 Wire Fan : 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: V BESTLIFE Fan Speed Controller PC Computer Fan Controller CPU Temperature Sensor Computer Cooling Drive Bay Front LCD Panel : Electronics Amazon.com: V BESTLIFE Fan Speed Controller PC Computer Fan Controller CPU Temperature Sensor Computer Cooling Drive Bay Front LCD Panel : Electronics](https://m.media-amazon.com/images/I/617SAPsHCxL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: V BESTLIFE Fan Speed Controller PC Computer Fan Controller CPU Temperature Sensor Computer Cooling Drive Bay Front LCD Panel : Electronics
![Amazon.com: Speed Controller 12V PWM 4-Wire PC Fan Temperature Semiconductor Speed Controller : Industrial & Scientific Amazon.com: Speed Controller 12V PWM 4-Wire PC Fan Temperature Semiconductor Speed Controller : Industrial & Scientific](https://m.media-amazon.com/images/I/515ia0ZOZFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Speed Controller 12V PWM 4-Wire PC Fan Temperature Semiconductor Speed Controller : Industrial & Scientific
![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
![Amazon.com: PC Fan Governor, PC Fan Speed Governor, 4-Wire Pwm Fan Controller Manual Speed Regulation Fan Speed Controller with Buzzer for Computer : Electronics Amazon.com: PC Fan Governor, PC Fan Speed Governor, 4-Wire Pwm Fan Controller Manual Speed Regulation Fan Speed Controller with Buzzer for Computer : Electronics](https://m.media-amazon.com/images/I/61BiXDUj-bL._AC_UF894,1000_QL80_.jpg)
Amazon.com: PC Fan Governor, PC Fan Speed Governor, 4-Wire Pwm Fan Controller Manual Speed Regulation Fan Speed Controller with Buzzer for Computer : Electronics
![Amazon.com: HiLetgo DC 12V 5A PWM PC CPU Fan Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzle : Industrial & Scientific Amazon.com: HiLetgo DC 12V 5A PWM PC CPU Fan Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzle : Industrial & Scientific](https://m.media-amazon.com/images/I/61s252cWk3L.jpg)
Amazon.com: HiLetgo DC 12V 5A PWM PC CPU Fan Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzle : Industrial & Scientific
![Amazon.com: Comidox 2PCS DC 12V 4 Wire PWM PC CPU Fan Temperature Control Speed Controller Module CPU High-Temp Alarm : Electronics Amazon.com: Comidox 2PCS DC 12V 4 Wire PWM PC CPU Fan Temperature Control Speed Controller Module CPU High-Temp Alarm : Electronics](https://m.media-amazon.com/images/I/61EKRfxko1L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Comidox 2PCS DC 12V 4 Wire PWM PC CPU Fan Temperature Control Speed Controller Module CPU High-Temp Alarm : Electronics
![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._AC_UF894,1000_QL80_.jpg)
Amazon.com: DC 12V PWM PC CPU Fan Temperature Control Speed Controller CPU Alarm Module : Electronics
![Fan Speed Controller With Buzzer 4-Wire Pwm Fan Controller Manual Speed Regulation PC Fan Speed Governor, Fan Speed Controller, For Computer - Walmart.com Fan Speed Controller With Buzzer 4-Wire Pwm Fan Controller Manual Speed Regulation PC Fan Speed Governor, Fan Speed Controller, For Computer - Walmart.com](https://i5.walmartimages.com/asr/e35c36c9-d777-429e-bfdb-109283d74839.95c8e60cf122c4040c3adb305883a5a5.jpeg)