Be Quiet BL099 140 mm PWM Silent Wings Pro 4 Case Fan, Black

The fan blades are what makes a fan. It is for this reason that the fan blades of Silent Wings Pro 4 140mm PWM have been developed newly from scratch. The new blade arrangement enables a performance second to none for all possible operations. Be it in a case, on radiators or heat sinks.

• Silent Wings Pro 4 140mm PWM is the most progressive, performant and versatile fan by be quiet
• Optimized fan blades for the highest performance on radiators and heat sinks
• Speed switch allows changing maximum PWM speed between medium-speed, high-speed and ultra-high-speed (up to 2400 rpm)
• Small tip clearance and a fan frame with a funnel-shaped air outlet for extremely high air pressure
• Virtually inaudible operation at regular speed
• 6-pole fan motor and fluid-dynamic bearing for less vibration and very smooth operations
• Individual mounting systems for use as a case fan or with a radiator

• Color: Black
• Cooler Type: Case Fan
• Bearing Type: Fluid Dynamic Bearings (FDB)
• Connectors: 4-Pin
• Fan Size: 140 mm
• Fan Thickness: 1.0 in. / 25.00 mm
• Fan Speed: 2400 rpm
• Static Pressure: 3.64 mm H2O
• Noise Level: 36.8 dBA
• Maximum Airflow: 97.41 CFM
• Power Consumption: 6 W
• Control Method: PWM (Pulse Width Modulation)
• Weight: 0.99 lbs