![Amazon.com: ARCTIC S4028-15K - 40x40x28 mm Fan, 1400-15000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics Amazon.com: ARCTIC S4028-15K - 40x40x28 mm Fan, 1400-15000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : Electronics](https://m.media-amazon.com/images/I/41xtOHZx-6L._AC_.jpg)
Amazon.com: ARCTIC S4028-15K - 40x40x28 mm Fan, 1400-15000 RPM, PWM Regulated, 4-pin Connector, 12 V DC - Black : 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: Delta TFC1212DE-PWM 120mm x 120mm x 38mm 4pin PWM with Speed Sensor Case Fan : Electronics Amazon.com: Delta TFC1212DE-PWM 120mm x 120mm x 38mm 4pin PWM with Speed Sensor Case Fan : Electronics](https://m.media-amazon.com/images/I/41wBnt4HbmL._AC_.jpg)
Amazon.com: Delta TFC1212DE-PWM 120mm x 120mm x 38mm 4pin PWM with Speed Sensor Case Fan : Electronics
![Amazon.com: DC Fan Controller DC Motor Speed Controller PWM Speed Adjustable for Pump Blower Brush or Brushless DC Fan 5V 12V 24V 1A : Electronics Amazon.com: DC Fan Controller DC Motor Speed Controller PWM Speed Adjustable for Pump Blower Brush or Brushless DC Fan 5V 12V 24V 1A : Electronics](https://m.media-amazon.com/images/I/41S0O5DBOML._AC_SY1000_.jpg)
Amazon.com: DC Fan Controller DC Motor Speed Controller PWM Speed Adjustable for Pump Blower Brush or Brushless DC Fan 5V 12V 24V 1A : 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
![Amazon.com: Delta QFR1212GHE 12cm 12038 2.7A 12012038mm DC 12V 4-Wire PWM Speed Control for Bitcoin Miner Cooling Fan : Electronics Amazon.com: Delta QFR1212GHE 12cm 12038 2.7A 12012038mm DC 12V 4-Wire PWM Speed Control for Bitcoin Miner Cooling Fan : Electronics](https://m.media-amazon.com/images/I/51qu2raB7gL._AC_.jpg)
Amazon.com: Delta QFR1212GHE 12cm 12038 2.7A 12012038mm DC 12V 4-Wire PWM Speed Control for Bitcoin Miner Cooling Fan : 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_.jpg)
Amazon.com: GDSTIME 80mm x 38mm 8038 PWM High Speed Dual Ball Bearing DC 12V 80mm Cooling Fan : 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/51sn1k7WYsL._AC_SY350_.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: 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_SY1000_.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: uniquegoods CCMFC 12V 2A DC Motor Speed Controller Adjustable Variable Speed Switch PWM DC Voltage Switching Regulator Control Speed of a DC Fan : Industrial & Scientific Amazon.com: uniquegoods CCMFC 12V 2A DC Motor Speed Controller Adjustable Variable Speed Switch PWM DC Voltage Switching Regulator Control Speed of a DC Fan : Industrial & Scientific](https://m.media-amazon.com/images/I/5129fxEv1AL._AC_SY580_.jpg)
Amazon.com: uniquegoods CCMFC 12V 2A DC Motor Speed Controller Adjustable Variable Speed Switch PWM DC Voltage Switching Regulator Control Speed of a DC Fan : Industrial & Scientific
![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
![Amazon.com: GDSTIME 80mm PWM Fan, High Speed 12V 4PIN 80mm x 25mm CPU Cooler Fan Cooling : Electronics Amazon.com: GDSTIME 80mm PWM Fan, High Speed 12V 4PIN 80mm x 25mm CPU Cooler Fan Cooling : Electronics](https://m.media-amazon.com/images/I/71DdOEjSVAL.jpg)
Amazon.com: GDSTIME 80mm PWM Fan, High Speed 12V 4PIN 80mm x 25mm CPU Cooler Fan Cooling : Electronics
![Motor Speed Controller, PEMENOL DC 7-70V 30A PWM Speed Control Switch Module for Fan Speed Control, Adjustable PWM Motor Speed Regulator with 30A Fuse Used for Children's Car - - Amazon.com Motor Speed Controller, PEMENOL DC 7-70V 30A PWM Speed Control Switch Module for Fan Speed Control, Adjustable PWM Motor Speed Regulator with 30A Fuse Used for Children's Car - - Amazon.com](https://m.media-amazon.com/images/I/513FPKsIVcS._AC_SY580_.jpg)
Motor Speed Controller, PEMENOL DC 7-70V 30A PWM Speed Control Switch Module for Fan Speed Control, Adjustable PWM Motor Speed Regulator with 30A Fuse Used for Children's Car - - Amazon.com
![Amazon.com: 140mm Case Fan Quiet PC Fan 3pin 4pin Molex Connector 12V DC Case Fan and PWM Fan Hub Cable : Electronics Amazon.com: 140mm Case Fan Quiet PC Fan 3pin 4pin Molex Connector 12V DC Case Fan and PWM Fan Hub Cable : Electronics](https://m.media-amazon.com/images/I/410Le5OSpjL._AC_.jpg)
Amazon.com: 140mm Case Fan Quiet PC Fan 3pin 4pin Molex Connector 12V DC Case Fan and PWM Fan Hub Cable : Electronics
![Amazon.com: DC 12V PWM Fan PC Hub, 8 Port, Controller, Fan Governor, PWM PC CPU Fan Control Controllor for Computer : Electronics Amazon.com: DC 12V PWM Fan PC Hub, 8 Port, Controller, Fan Governor, PWM PC CPU Fan Control Controllor for Computer : Electronics](https://m.media-amazon.com/images/I/41OmGl4TqeL._AC_SY580_.jpg)
Amazon.com: DC 12V PWM Fan PC Hub, 8 Port, Controller, Fan Governor, PWM PC CPU Fan Control Controllor for Computer : Electronics
![Amazon.com: Everflow 80x80x15mm Ultra High Speed 12V DC Fan with PWM, Model R128015BUAF : Electronics Amazon.com: Everflow 80x80x15mm Ultra High Speed 12V DC Fan with PWM, Model R128015BUAF : Electronics](https://m.media-amazon.com/images/I/51jExMnJEqL._AC_SY1000_.jpg)
Amazon.com: Everflow 80x80x15mm Ultra High Speed 12V DC Fan with PWM, Model R128015BUAF : 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
![Amazon.com: 2-Pack 24V DC 120mm High CFM 12038 120mm x 38mm 4.72inch 0.8A High Speed Dual Ball Bearing 4Pin PWM Brushless PC Computer CPU Case Miner Exhaust Ventilation Fan with Metal Guard Amazon.com: 2-Pack 24V DC 120mm High CFM 12038 120mm x 38mm 4.72inch 0.8A High Speed Dual Ball Bearing 4Pin PWM Brushless PC Computer CPU Case Miner Exhaust Ventilation Fan with Metal Guard](https://m.media-amazon.com/images/I/4115sTUtrIL._AC_.jpg)
Amazon.com: 2-Pack 24V DC 120mm High CFM 12038 120mm x 38mm 4.72inch 0.8A High Speed Dual Ball Bearing 4Pin PWM Brushless PC Computer CPU Case Miner Exhaust Ventilation Fan with Metal Guard
![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: 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/61cBcEDHzoS.jpg)
Amazon.com: Wathai 12038 120mm x 38mm PWM Computer PC Case Fans 5300rpm High Airflow 12V 4pin FG DC Brushless Cooling Fan : Electronics
![Acxico 1Pcs PWM DC Brush Motor Speed Controller DC 10-55V 60A CW CCW Reversible Switch Digital LED Display Potentiometer Switch Built-in Brushless Fan - - Amazon.com Acxico 1Pcs PWM DC Brush Motor Speed Controller DC 10-55V 60A CW CCW Reversible Switch Digital LED Display Potentiometer Switch Built-in Brushless Fan - - Amazon.com](https://m.media-amazon.com/images/I/41szwmRLgrL._AC_SY580_.jpg)
Acxico 1Pcs PWM DC Brush Motor Speed Controller DC 10-55V 60A CW CCW Reversible Switch Digital LED Display Potentiometer Switch Built-in Brushless Fan - - Amazon.com
![Amazon.com: Wathai PWM DC High Air Pressure Cooling Fan 12V 80mm x 38mm 8038 High Speed Dual Ball Bearing : Electronics Amazon.com: Wathai PWM DC High Air Pressure Cooling Fan 12V 80mm x 38mm 8038 High Speed Dual Ball Bearing : Electronics](https://m.media-amazon.com/images/I/51GI0kwDHCS._AC_.jpg)
Amazon.com: Wathai PWM DC High Air Pressure Cooling Fan 12V 80mm x 38mm 8038 High Speed Dual Ball Bearing : Electronics
![Amazon.com: Evercool EC6015SH12BP 60mm x 15mm Hi-Speed Dual Ball Bearing PWM 4 Pin Fan : Electronics Amazon.com: Evercool EC6015SH12BP 60mm x 15mm Hi-Speed Dual Ball Bearing PWM 4 Pin Fan : Electronics](https://m.media-amazon.com/images/I/41jaXOVoaKL._AC_.jpg)
Amazon.com: Evercool EC6015SH12BP 60mm x 15mm Hi-Speed Dual Ball Bearing PWM 4 Pin Fan : 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 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)