The Pure Wings 2 92mm PWM fans bring famous be quiet! silent cooling to entry level computing, yet are also appropriate for gaming and multimedia systems. The most important features include:\n\n- Nine airflow-optimized fan blades reduce noise-generating turbulence\n- Long life rifle-bearing gives an operating lifetime of 80,000 hours\n- Even at maximum speed, operates at only 19.6dB(A)\n- Especially recommended for use in water cooling and CPU cooling builds\n- PWM controlled fan speed through the motherboard\n- German product conception, design and quality control\n- 3-years manufacturer’s warranty\n\nCombining outstanding reliability, quiet operation, and a great price-for-performance ratio, Pure Wings 2 92mm PWM is unique in its class. They are the ultimate reason to put well-known be quiet! silent cooling in your PC.