Corsair Gaming Series GS 500 Watt ATX/EPS&nbsp; 80 PLUS Bronze (GS500) The ideal price-performance solution for building or upgrading a Gaming PC system An ultra-quiet double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature. 80PLUS certified, delivering up to 80% energy efficiency at real world load conditions. Adjustable blue LEDs on the fan (on/off) Extra long fully-sleeved cables support full tower chassis 3 year warranty