![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 24v 4 Wire Pwm Fan Digital Temperature Controller Fan Motor Speed Controller Led Display Thermostat Regulator Heat Sink - Motor Controller - AliExpress Dc 12v 24v 4 Wire Pwm Fan Digital Temperature Controller Fan Motor Speed Controller Led Display Thermostat Regulator Heat Sink - Motor Controller - AliExpress](https://ae01.alicdn.com/kf/HTB1R7qPbcfrK1RkSmLyq6xGApXaf/DC-12V-24V-4-Wire-PWM-Fan-Digital-Temperature-Controller-Fan-Motor-Speed-Controller-LED-Display.jpg)
Dc 12v 24v 4 Wire Pwm Fan Digital Temperature Controller Fan Motor Speed Controller Led Display Thermostat Regulator Heat Sink - Motor Controller - AliExpress
![DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Driver Module Temperature Relay for PC - - Amazon.com DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Driver Module Temperature Relay for PC - - Amazon.com](https://m.media-amazon.com/images/I/61msVYfue0L._AC_UF894,1000_QL80_.jpg)
DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Driver Module Temperature Relay for PC - - Amazon.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: DC 12V PWM Speed Controller, PWM Control Mode Reverse Timing Fan Fan Temperature Controller Plastic for Workshop for Laboratory for Factory for Industry : Industrial & Scientific Amazon.com: DC 12V PWM Speed Controller, PWM Control Mode Reverse Timing Fan Fan Temperature Controller Plastic for Workshop for Laboratory for Factory for Industry : Industrial & Scientific](https://m.media-amazon.com/images/I/51jq5O4zhbL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DC 12V PWM Speed Controller, PWM Control Mode Reverse Timing Fan Fan Temperature Controller Plastic for Workshop for Laboratory for Factory for Industry : Industrial & Scientific
![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._AC_UF894,1000_QL80_.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: Fafeicy Fan Speed Module, DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Module for PC, Accurate Temperature Setting and Precise Control, Thermostat : Electronics Amazon.com: Fafeicy Fan Speed Module, DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Module for PC, Accurate Temperature Setting and Precise Control, Thermostat : Electronics](https://m.media-amazon.com/images/I/61ONLwzL9vL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fafeicy Fan Speed Module, DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Module for PC, Accurate Temperature Setting and Precise Control, Thermostat : Electronics
![DC 12V Fan Temperature Control Speed Controller CPU High-Temp Alarm PWM PC US – ASA College: Florida DC 12V Fan Temperature Control Speed Controller CPU High-Temp Alarm PWM PC US – ASA College: Florida](https://i.ebayimg.com/images/g/xfUAAOSwgqFj~aTj/s-l1600.jpg)
DC 12V Fan Temperature Control Speed Controller CPU High-Temp Alarm PWM PC US – ASA College: Florida
![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.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/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
![Higoodz PC Fan Hub 2 Pin 3 Pin 4 Pin Fan Adapter PWM PC Case Cooling Fan Hub Voltage Regulator 8 Way Splitter 12V Speed Controller,PC Fan Controller,Cooling Fan Hub - Walmart.com Higoodz PC Fan Hub 2 Pin 3 Pin 4 Pin Fan Adapter PWM PC Case Cooling Fan Hub Voltage Regulator 8 Way Splitter 12V Speed Controller,PC Fan Controller,Cooling Fan Hub - Walmart.com](https://i5.walmartimages.com/asr/ca127dc9-7e5b-456d-9544-74fecd07d98a.77a330a84e660238deca5f946d3cf256.jpeg)
Higoodz PC Fan Hub 2 Pin 3 Pin 4 Pin Fan Adapter PWM PC Case Cooling Fan Hub Voltage Regulator 8 Way Splitter 12V Speed Controller,PC Fan Controller,Cooling Fan Hub - Walmart.com
![Amazon.com: GOWENIC Chassis Fan Hub, PC 8 Channel Fan Hub 4 Knob Cooling Fan Speed Controller for CPU Chassis, HDD VGA PWM Fan PCI Bracket 12V Fan Control, Water Cooling System : Electronics Amazon.com: GOWENIC Chassis Fan Hub, PC 8 Channel Fan Hub 4 Knob Cooling Fan Speed Controller for CPU Chassis, HDD VGA PWM Fan PCI Bracket 12V Fan Control, Water Cooling System : Electronics](https://m.media-amazon.com/images/I/61YVPzoHKNL._AC_UF894,1000_QL80_.jpg)
Amazon.com: GOWENIC Chassis Fan Hub, PC 8 Channel Fan Hub 4 Knob Cooling Fan Speed Controller for CPU Chassis, HDD VGA PWM Fan PCI Bracket 12V Fan Control, Water Cooling System : Electronics
![Amazon.com: PWM Driver Module, DC 12V 24V 48V 2 Channel 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm : Industrial & Scientific Amazon.com: PWM Driver Module, DC 12V 24V 48V 2 Channel 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm : Industrial & Scientific](https://m.media-amazon.com/images/I/51uK9sKJP6L._AC_UF894,1000_QL80_.jpg)
Amazon.com: PWM Driver Module, DC 12V 24V 48V 2 Channel 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm : Industrial & Scientific
![Amazon.com: iHTP PC 8 Channels Fan Hub Knob Cooling Fan Speed Controller for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control,6-pin Interface Power Supply : Electronics Amazon.com: iHTP PC 8 Channels Fan Hub Knob Cooling Fan Speed Controller for CPU Case HDD VGA PWM Fan PCI Bracket 12V Fan Control,6-pin Interface Power Supply : Electronics](https://m.media-amazon.com/images/I/61jJF635Q0L.jpg)