7 silence-optimized and reversed fan blades for high airflow and low noise-generating turbulences Reversed fan blades are ideal as side or bottom intake Illuminated hub and frosted fan blades for unmistakable lighting effects that visually upgrade every PC system Multiple colors and modes for an individual look thanks to 16 LEDs ARGB connection cable with daisy chain option Long life rifle bearing gives an operating lifetime of up to 60,000 hours