be quiet! Pure Wings 3 120mm Quiet PWM High-Speed Case Fan Speed-regulating Closed Loop Motor Extraordinary Air Pressure BL140, 3-pack

3 fans included Innovative closed loop motor keeps the rpm no matter the resistance Optimized fan frame for outstanding performance on radiators Newly designed fan blades and re-arranged angle for extraordinary air pressure Pure Wings 3 can be operated with very low minimum rpm for very quiet operation Product conception, design and quality control in Germany