Surface-optimized fan blade design: 11 blades provide optimized airflow through surface optimization and structural design to achieve superior cooling capacity. 120mm case fan delivers excellent airflow with LED lighting to enhance the appearance of your case. Light guide ring design with high-quality LED chip ensures anti-aging performance, durable and stable brightness, and long life. Offers perfect cooling performance and silent operation, making it an excellent choice for case cooling. Enhanced fan frame with reinforced structure reduces turbulent flow noise and increases efficiency. Item number: 120 Applicable accessories type: chassis Compatible brands and models: universal Type: cooling fan Bearing type: hydraulic bearing Rotational speed: 1000 RPM Noise level: 23 dBA Service life: 30,000 hours Heat dissipation method: air cooling Number of pins: 4-pin USB interface: 4-pin Size: 12cm Application: chassis Color: Pink Material: PC Package Contents: 3 x Cooling fans Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.