CORSAIR AF140 RGB ELITE High-Performance 140mm PWM fans deliver PWM-controlled fan speeds from 500 RPM up to 1,700 RPM for powerful cooling, quiet operation, and brilliant RGB lighting. The ideal cooling fans for your PC with optimal airflow at low to medium speeds. With up to 89 CFM of airflow at peak 1,700 RPM, AF RGB ELITE Series fans deliver the perfect balance between low noise, strong static pressure, and high airflow without compromising performance. A fluid dynamic bearing utilizes lubricant to reduce friction, resulting in exceptional durability and minimal noise. When your computer is idling, you can rely on Zero RPM mode to turn off the fans and completely eliminate fan noise. Eight individually addressable RGB LEDs provide a brilliant backdrop in your PC build.