A dedicated single +12 V rail offers simple configuration and maximum compatibility with graphics cards and other components An ultra-quiet double ball-bearing fan delivers excellent airflow with exceptionally low noise levels by varying fan speed in response to temperature Complies with the European Union ErP Directive so the power consumption of the whole system, in either standby or off mode 80 PLUS bronze certified, delivering up to 85% energy efficiency under real-world load conditions Active Power Factor Correction (PFC) Over-voltage, under-voltage, over-current, and short circuit protection provide maximum safety for your critical system components High-quality capacitors provide uncompromised performance and reliability