be quiet! Silent Wings Pro 4 140mm PWM Case Fan

be quiet! Silent Wings Pro 4 140mm PWM 2400 RPM 4-Pin BL099

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Seller	Availability	Price	Shipping
In Stock	In Stock	$32.90		Buy
Last updated 16 minutes ago.
In Stock	In Stock	$32.90 +Free shipping	+Free shipping	Buy
In Stock	In Stock	$32.90 +Free shipping	+Free shipping	Buy

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• 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