2pcs For PWM fan controller 4 way for motherboard For chassis cooling fans

For Customized Cooling 3-Pack Fan Controller DC 4-12V Input Voltage Easy Setup

For Customized Cooling 3-Pack Fan Controller DC 2.5-8V Output Voltage Easy Setup

3-Pack Fan Controller Compact USB Controller 5V USB Compatibility Easy Setup

3-Pack Fan Controller Compact USB Controller DC 4-12V Input Voltage Easy Setup

3-Pack Fan Controller Compact USB Controller 5V USB Compatibility Easy Setup

For Customized Cooling 3-Pack Fan Controller DC 4-12V Input Voltage Easy Setup