Corsair air series led high airflow pc case fans combine efficient low noise airflow with striking led lighting the blades are custom molded for optimal airflow and theyrsquore ultra thin for less noise and turbulence the sleeved bearing system reduces vibration for quiet operation the fan blades are translucent with a frosted texture so the light from the four leds adds a dramatic effect air series af fan models perform best in unrestricted spaces with at least 3cm of clearance and theyrsquo