Description Features: 120mm 4Pin computer case fan to be fit for 4pin CPU fan port or water-cooling radiator, 220010%RPM fan speed. Large air volume design, 9 large sickle-shaped louvers, stable airflow, low noise and large air volume. Great performances and cooling down for your computer. Suitable for any standard 120mm fan holder. About 25DB3DB noise, run quietly and cool at any conditions. Specifications: Material: Plastic Size: Approx. 120x120x25mm/4.72x4.72x0.98inch Color: Yellow, Blue, Green, Red, Colorful, White(optional) Speed Reference: 2200 10% RPM Bearing Type: oil seal bearing Service Life: 10000 hours Noise Reference: 25DB 3DB Air Volume Reference: 28CFM Rated Voltage: 12V Interface Type: power 4P port Speed Monitoring: not supported Fan Cable Length: about 22cm/8.66inch Scope of Application: chassis heat dissipation; power supply fan Note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions. Package includes: 1x Computer Fan