From Manufacturer
For the custom system builder looking to enhance their cooling capabilities while reducing distracting fan noise, the be quiet! 140mm Silent Wings 4 PWM Case Fan delivers an ideal solution with high-quality performance and near-silent operation.
Designed to fit in a variety of cases, the 140mm Silent Wings 4 PWM fan offers a max speed of 1100 rpm, delivering 51.3 cfm airflow, keeping your components nice and cool even during heavy operation. At a full 100% operation, the fan ensures near-silent 13.6 dB noise level, preventing obnoxious distractions while you are recording and streaming your games or enjoying your favorite media. The six-pole motor saves power by optimizing consumption and reducing vibration, giving you an increased lifespan up to 300,000 hours. Dual mounting options allow you to secure the fan directly to your case, heatsink, or radiator for greater flexibility.