Features: Experience superior cooling performances with the Cooling Fan, a highly speed 4 wire PWM fan that intelligently adjusts its speed for optimal temperature control. Boasting robusts design with impressive airflows of 52CFM, this fan ensures your systems stays cool under pressures while maintaining a low noise of 36DBA. Suitable for enthusiasts and professional systems builders look for reliability thermal solution to improve their computer's longevity and efficiency. Perfectly suited for computer case, this PWM controlled fan is for overclocking scenario and high load computings environment where stable temperatures are crucials. With its size of 90x90x15mm and a powerful 4000RPM5% rotation speed, the fan is engineered to deliver exceptional cooling. Specifications: Component:ABS Size:Approx.90x90x15mm/3.54x3.54x0.59inch Voltage: 12V Current: 0.45A Speed:4000RPM 5% Speed:4ms Airflows: 52CFM Noise: 36DBA Support motherboards PWM speed regulation Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: 1pc Cooling Fan Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.