PWM Fan Controller 4-Pin USB Type-C 12V Boost Output for PC Cooling

PWM Fan Speed Controller Module. Product overview. This compact controller provides stepless PWM speed control for small 4P B3 four-wire fans, including the PWM signal line. It uses a USB Type-C power input and a boost converter to deliver stable 12V output for precise fan control during PC cooling, water-cooling radiators, and small cooling systems. Key benefits. - Precise speed control. Stepless PWM duty from 0 to 100 percent enables accurate fan speed adjustment to balance cooling performance and noise levels. - Convenient USB Type-C power. Power the module from any 5 V USB Type-C source for easy installation and flexible placement without modifying system power rails. - Plug-and-play compatibility. Designed specifically for small 4P B3 four-wire fans with a PWM signal line, allowing direct connection without additional wiring. - Efficient and stable boost conversion. Boost converter delivers 12 V output with 85 percent to 90 percent efficiency for reliable operation and minimal energy loss. - Compact and quiet. Small footprint and low noise make the module suitable for DIY modifications, silent host optimization, and tight installation spaces. Key features and specifications. - Input power: 5 V via USB Type-C. - Output voltage: 12 V. - Output current: 0 to 0.7 A. - Output power: 0 to 8 W. - Boost efficiency: 85 percent to 90 percent. - Input connector: USB Type-C socket. - Output connector: PWM 4-pin, KF2510. - PWM frequency: approximately 25 kHz. - Speed range: PWM duty cycle 0 to 100 percent. - Size: 50 mm by 18 mm, excluding knob. Compatibility and use cases. - Water-cooled radiator fan control: Fine tune fan speeds on compact 4P B3 four-wire radiator fans to reduce noise while maintaining cooling performance. - Multi-fan case control: Independently control individual small case fans in multi-fan setups for improved airflow tuning and quieter operation. - DIY PC modification and silent build optimization: Use the module for host quieting projects, airflow testing, and system modifications without complex rewiring. What is included. - 1 speed controller module. This module offers a practical, compact solution for controlling small four-wire fans with USB Type-C power and efficient boost conversion for stable 12 V output.