Noctua NA-FC1 PWM Manual Fan Controller – Coolerguys
PWM Fan Controller with harness
PWM Controller for 4-Wire Fans
PWM Fan Controller - Sanyo Denki | DigiKey
Pre Programmed Fan PWM Controller [PWM Controller] – Creative Werks Inc.
Lingenfelter VSFM-002 Variable Speed DC Brushless Fan & Pump PWM Controller
Amazon.com: Derale 16797 PWM Fan Controller : Automotive
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
Aquacomputer QUADRO Fan Controller for PWM Fans – FrozenCPU
Computer Case Miner Fan Speed Controller 8-Channel Fan Hub PWM High- Violent Fan Controller Fan Speed Governor - Walmart.com
Mishimoto Pulse Width Modulation Fan Controller - Black – SpeedFactoryRacing
12V DC Molex to 3-Pin Manual PWM Fan Controller – Coolerguys
DC 12V PWM Fan Speed Control Switch Module 4 Pin PC Chassis Fan Motor Speed Controller Regulator Governor for Laptop Server Cool - AliExpress
Derale 16795 PWM Fan Controller
SilverStone CPF04 Black PWM Fan Controller Hub | AVADirect