High-performance Cooling Solution: This 120mm fan cooling controller operates at a speed range of 1-3000rpm, ensuring optimal airflow for your GPU VGA, workstation cabinets, and server fans. Its efficient design helps maintain your equipment at the ideal temperature, preventing overheating and prolonging the life of your components. Quiet Operation with Durable Design: Equipped with an alloy bearing and 11 blades, this fan produces a minimal noise level of only 16dBA. It's designed for long-lasting use with a fan life expectancy of 50,000 hours, providing a reliable and silent cooling solution for various electronic devices. Versatile Compatibility and Easy Installation: Supporting an onboard CPU with a thermal design power (TDP) of 1W, this fan is versatile for use in different setups. It does not require complex wiring or additional lines, making installation straightforward and user-friendly. Energy Efficient with Safety Certification: Certified by CE, this fan cooling controller operates efficiently within a voltage range of 110V-220V. It ensures safe operation and energy efficiency, making it an eco-friendly addition to your technological equipment. Description/Features: Experience enhanced cooling with our high-performance server fan, designed specifically for BTC machine chassis, workstations, and cabinet radiators. This 120mm fan operates at a powerful speed of 3000 RPM, ensuring efficient heat dissipation for your GPU and VGA. The plug-and-play design allows for easy installation by simply connecting the speed controller to the fan's terminals and plugging it into a wall outlet. The included speed control adapter offers adjustable settings from 3V to 12V, accommodating various operational needs with a switch for convenient on/off control. Specifications: Power Supply: AC 100V-240V Input: 110V-240V, 50/60Hz Output: DC 3-12V, 200-2000mA Fan Dimensions: 120x120x25mm per piece Bearing Type: Dual Ball/Hydraulic Power Connector: DC Connector Rated Voltage: DC