![Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics](https://m.media-amazon.com/images/I/5148wxUYuyL._AC_SY580_.jpg)
Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics
![Amazon.com: 1Pcs New DC12V 0.8A 3Pin PWM PC Case CPU Fan Temperature Control Thermostat Speed Controller : Electronics Amazon.com: 1Pcs New DC12V 0.8A 3Pin PWM PC Case CPU Fan Temperature Control Thermostat Speed Controller : Electronics](https://m.media-amazon.com/images/I/51Lin4BJBtL.jpg)
Amazon.com: 1Pcs New DC12V 0.8A 3Pin PWM PC Case CPU Fan Temperature Control Thermostat Speed Controller : Electronics
![Amazon.com: Wathai 12038 120mm x 38mm PWM Computer PC Case Fans 5300rpm High Airflow 12V 4pin FG DC Brushless Cooling Fan : Electronics Amazon.com: Wathai 12038 120mm x 38mm PWM Computer PC Case Fans 5300rpm High Airflow 12V 4pin FG DC Brushless Cooling Fan : Electronics](https://m.media-amazon.com/images/I/51GH69yuwNS._AC_.jpg)
Amazon.com: Wathai 12038 120mm x 38mm PWM Computer PC Case Fans 5300rpm High Airflow 12V 4pin FG DC Brushless Cooling Fan : Electronics
![Amazon.com: ARCTIC S4028-6K - 40x40x28 mm Fan, 250-6000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics Amazon.com: ARCTIC S4028-6K - 40x40x28 mm Fan, 250-6000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics](https://m.media-amazon.com/images/I/41wmbTL719L._AC_.jpg)
Amazon.com: ARCTIC S4028-6K - 40x40x28 mm Fan, 250-6000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics
![Amazon.com: 2 Pack Dedicated DC 5V Cooling Fan Compatible with NVIDIA Jetson Nano Developer Kit and B01 Version PWM Speed Adjustment Strong Cooling Air Fan 40mm×40mm×20mm with 4PIN Reverse-Proof Connector : Electronics Amazon.com: 2 Pack Dedicated DC 5V Cooling Fan Compatible with NVIDIA Jetson Nano Developer Kit and B01 Version PWM Speed Adjustment Strong Cooling Air Fan 40mm×40mm×20mm with 4PIN Reverse-Proof Connector : Electronics](https://m.media-amazon.com/images/I/314wbzbYxiL._AC_.jpg)
Amazon.com: 2 Pack Dedicated DC 5V Cooling Fan Compatible with NVIDIA Jetson Nano Developer Kit and B01 Version PWM Speed Adjustment Strong Cooling Air Fan 40mm×40mm×20mm with 4PIN Reverse-Proof Connector : Electronics
![Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan 800-2200RPM 40-75CFM : Electronics Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan 800-2200RPM 40-75CFM : Electronics](https://m.media-amazon.com/images/I/41skSlG98KL._AC_.jpg)
Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan 800-2200RPM 40-75CFM : 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/5192vKfVcrL._AC_SY580_.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: 0.38A DC 12V 3PIN Cooling Fan, Magnetic Bearing Heat Dissipation Fan, Universal Cooling Fan, Radiating Cooler for Computer : Electronics Amazon.com: 0.38A DC 12V 3PIN Cooling Fan, Magnetic Bearing Heat Dissipation Fan, Universal Cooling Fan, Radiating Cooler for Computer : Electronics](https://m.media-amazon.com/images/I/71qVwnJmesL.jpg)
Amazon.com: 0.38A DC 12V 3PIN Cooling Fan, Magnetic Bearing Heat Dissipation Fan, Universal Cooling Fan, Radiating Cooler for Computer : Electronics
![Amazon.com: GDSTIME 80mm x 38mm 8038 PWM High Speed Dual Ball Bearing DC 12V 80mm Cooling Fan : Electronics Amazon.com: GDSTIME 80mm x 38mm 8038 PWM High Speed Dual Ball Bearing DC 12V 80mm Cooling Fan : Electronics](https://m.media-amazon.com/images/I/51BQae33vYS._AC_SY1000_.jpg)
Amazon.com: GDSTIME 80mm x 38mm 8038 PWM High Speed Dual Ball Bearing DC 12V 80mm Cooling Fan : Electronics
![Amazon.com: GDSTIME 120mm PWM 4 Pin 12V Dual Ball Bearing DC Brushless Blower Cooling Fan (4.72x4.72x1.26 inch), for Car Seat Amplifier Inflatables Inverter Ventilation : Electronics Amazon.com: GDSTIME 120mm PWM 4 Pin 12V Dual Ball Bearing DC Brushless Blower Cooling Fan (4.72x4.72x1.26 inch), for Car Seat Amplifier Inflatables Inverter Ventilation : Electronics](https://m.media-amazon.com/images/I/4118ApkigmL._AC_.jpg)
Amazon.com: GDSTIME 120mm PWM 4 Pin 12V Dual Ball Bearing DC Brushless Blower Cooling Fan (4.72x4.72x1.26 inch), for Car Seat Amplifier Inflatables Inverter Ventilation : 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: ARCTIC S4028-6K (5 Pack) - 40x40x28 mm Fan, 250-6000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics Amazon.com: ARCTIC S4028-6K (5 Pack) - 40x40x28 mm Fan, 250-6000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics](https://m.media-amazon.com/images/I/5119C+sBANL._AC_.jpg)
Amazon.com: ARCTIC S4028-6K (5 Pack) - 40x40x28 mm Fan, 250-6000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics
![Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics](https://m.media-amazon.com/images/I/619Pnqd3OgL.jpg)
Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics
![Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan and PWM Fan Hub Cable : Electronics Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan and PWM Fan Hub Cable : Electronics](https://m.media-amazon.com/images/I/41eLGLBkqCL._AC_SY1000_.jpg)
Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan and PWM Fan Hub Cable : 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/31S+1kyVS6L._AC_SY350_.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: Fan-4020-PWM-5V for Jetson Nano Developer Kit and B01 Version, Dedicated DC 5V Cooling Fan Brushless Fan 4PIN Reverse-Proof Connector PWM Speed Adjustment Strong Cooling Air 40mm×40mm×20mm : Electronics Amazon.com: Fan-4020-PWM-5V for Jetson Nano Developer Kit and B01 Version, Dedicated DC 5V Cooling Fan Brushless Fan 4PIN Reverse-Proof Connector PWM Speed Adjustment Strong Cooling Air 40mm×40mm×20mm : Electronics](https://m.media-amazon.com/images/I/41uZm3uF5yL._AC_SY580_.jpg)
Amazon.com: Fan-4020-PWM-5V for Jetson Nano Developer Kit and B01 Version, Dedicated DC 5V Cooling Fan Brushless Fan 4PIN Reverse-Proof Connector PWM Speed Adjustment Strong Cooling Air 40mm×40mm×20mm : Electronics
![Amazon.com: DEVMO DC 12V 5A PWM 4 Wires PC CPU Fan Thermostat Automatic Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzer Compatible with Ar-duino Heat Sink HW-585 : Industrial & Amazon.com: DEVMO DC 12V 5A PWM 4 Wires PC CPU Fan Thermostat Automatic Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzer Compatible with Ar-duino Heat Sink HW-585 : Industrial &](https://m.media-amazon.com/images/I/41HOfwyheKL._AC_SY580_.jpg)
Amazon.com: DEVMO DC 12V 5A PWM 4 Wires PC CPU Fan Thermostat Automatic Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzer Compatible with Ar-duino Heat Sink HW-585 : Industrial &
![Amazon.com: Electronic Components Digital 12V DC Dual Ways/PWM PC CPU Fan Temperature Control Speed Controller - (Select:12V PWM Fan Speed Controller) : Electronics Amazon.com: Electronic Components Digital 12V DC Dual Ways/PWM PC CPU Fan Temperature Control Speed Controller - (Select:12V PWM Fan Speed Controller) : Electronics](https://m.media-amazon.com/images/I/51sHsiqsY0L._AC_SY350_.jpg)
Amazon.com: Electronic Components Digital 12V DC Dual Ways/PWM PC CPU Fan Temperature Control Speed Controller - (Select:12V PWM Fan Speed Controller) : Electronics
![Amazon.com: Wathai 12038 120mm x 38mm PWM Computer PC Case Fans 5300rpm High Airflow 12V 4pin FG DC Brushless Cooling Fan : Electronics Amazon.com: Wathai 12038 120mm x 38mm PWM Computer PC Case Fans 5300rpm High Airflow 12V 4pin FG DC Brushless Cooling Fan : Electronics](https://m.media-amazon.com/images/I/61e+-o11W1S.jpg)
Amazon.com: Wathai 12038 120mm x 38mm PWM Computer PC Case Fans 5300rpm High Airflow 12V 4pin FG DC Brushless Cooling Fan : Electronics
![12V Fan Controller, DROK DC Motor Speed Controller for Brush Motor 7V-60V 20A 420W PWM Driver Board Control 12V 24V 36V 48V Regulator Cooling Fan Dimmer Governor Pulse Width Modulator with Adjust 12V Fan Controller, DROK DC Motor Speed Controller for Brush Motor 7V-60V 20A 420W PWM Driver Board Control 12V 24V 36V 48V Regulator Cooling Fan Dimmer Governor Pulse Width Modulator with Adjust](https://m.media-amazon.com/images/I/71rEd7LqueL.jpg)
12V Fan Controller, DROK DC Motor Speed Controller for Brush Motor 7V-60V 20A 420W PWM Driver Board Control 12V 24V 36V 48V Regulator Cooling Fan Dimmer Governor Pulse Width Modulator with Adjust
![Amazon.com: GeeekPi 2-Pack Fan for NVIDIA Jetson Nano, DC 5V 4020 Cooling Fan 40mm×40mm×20mm with Dual Ball Bearing PWM Speed Adjustment Strong Cooling Air Fan with 4PIN Reverse-Proof Connector : Electronics Amazon.com: GeeekPi 2-Pack Fan for NVIDIA Jetson Nano, DC 5V 4020 Cooling Fan 40mm×40mm×20mm with Dual Ball Bearing PWM Speed Adjustment Strong Cooling Air Fan with 4PIN Reverse-Proof Connector : Electronics](https://m.media-amazon.com/images/I/51YY2z-A0SL._AC_.jpg)
Amazon.com: GeeekPi 2-Pack Fan for NVIDIA Jetson Nano, DC 5V 4020 Cooling Fan 40mm×40mm×20mm with Dual Ball Bearing PWM Speed Adjustment Strong Cooling Air Fan with 4PIN Reverse-Proof Connector : Electronics
![Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan 800-2200RPM 40-75CFM : Electronics Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan 800-2200RPM 40-75CFM : Electronics](https://m.media-amazon.com/images/I/716ItBwIhGL.jpg)
Amazon.com: 120mm Computer PC CPU Fan 4Pin PWM High Performance 12V DC 120mm PC Computer Case Fan 800-2200RPM 40-75CFM : Electronics
![Amazon.com: GeeekPi 2PCS Raspberry Pi 4 PWM Controllable Fan, Raspberry Pi PWM Speed Adjustment Fan 40x40x10mm, Raspberry Pi Speed Control Fan DC 5V 4010 Quiet Fan for Raspberry Pi 4, 3 B+, Amazon.com: GeeekPi 2PCS Raspberry Pi 4 PWM Controllable Fan, Raspberry Pi PWM Speed Adjustment Fan 40x40x10mm, Raspberry Pi Speed Control Fan DC 5V 4010 Quiet Fan for Raspberry Pi 4, 3 B+,](https://m.media-amazon.com/images/I/61xbw7BvsuS.jpg)
Amazon.com: GeeekPi 2PCS Raspberry Pi 4 PWM Controllable Fan, Raspberry Pi PWM Speed Adjustment Fan 40x40x10mm, Raspberry Pi Speed Control Fan DC 5V 4010 Quiet Fan for Raspberry Pi 4, 3 B+,
![Amazon.com: Delta 80x80x25mm 12 Volt High Speed Ball Bearing 4 Pin PWM Fan AFB0812SH-PWM : Electronics Amazon.com: Delta 80x80x25mm 12 Volt High Speed Ball Bearing 4 Pin PWM Fan AFB0812SH-PWM : Electronics](https://m.media-amazon.com/images/I/41ipFo0QWlL._AC_.jpg)