Features:1.Unique fan design, provides for more powerful airflow.2.Silent fan: Ultra low noise makes you more focused on your work, study or games.3.With Hydraumatic, the fan run stably and silently4.Power saving design, low power consumption.5.Easy to install and use.Specifications:Type: CPU FanAdvantage: SilentItem Color: BlackRated Voltage: 12VDCRated Current : 0.25AFan Speed: 120010%RPMMaximum Air Flow: 40.96CFMFan Noise Level: 20dBA10%Fan Blade Number: 12Interface: 2 PinItem Size: Approx. 120*120*25mmColor: BlackBearing Type: HydraumaticPackage List:2 x CPU Cooling FansNote:1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.