Be Quiet! BL047 Pure Wings 2 14cm Case Fan Rifle Bearing Black Ultra Quiet

The Pure Wings 2 family fans are unique in itheir class, combining outstanding reliability, silent cooling, and a great price-for-performance ratio. It's impressive how much quiet technology the German engineering team has crammed into these fans at this amazing price. They are the ultimate reason to put well-known be quiet! silent cooling in your PC if you haven't already done so.

Practically Silent Operation

• Up to nine silence-optimized fan blades with high airflow capabilities reduce noise-generating turbulences while increasing air pressure 
• Very quiet operation even at maximum speed, with noise of max. 20.2dB(A )

Variable Speed Function

• Pulse Width Modulation (PWM) allows compatible 4-pin controllers (including those built into many motherboards) to intelligently vary the speed (and thus the noise level) of the fan
• With PWM your system can ramp up the cooling when it's needed, or operate in maximum quiet mode when it's not

Product conception, design and quality control in Germany

• Perfect choice for home and office PCs, gaming and multimedia systems
• Especially recommended for use in water cooling and CPU cooling builds
• High-quality rifle bearing technology contributes to a very long lifespan of up to 80,000 hours
• 3-year manufacturer's warranty