These UV LED fans are great for adding color to any PC while maintaining sufficient cooling. The sleeve bearing design keeps the noise level down, while the four UV LEDs give this fan an impressive glow. A 3-pin to 4-pin adapter and mounting screws are included. *** Specifications: Dimensions: 80 x 80 x 25 (mm), Noise Level: 21.8 dBA, Fan Speed: 2000 RPM, Airflow: 22.9 CFM, Bearing Type: Sleeve, Connector: 3-pin ***