Corsair Professional Series&nbsp; AX 1200 Watt ATX/EPS Modular 80 PLUS Gold (AX1200) An ultra-quiet double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature. A Seven year warranty and lifetime access to Corsair's legendary technical support and customer service. 80PLUS Gold certified, delivering up to 90% energy efficiency at real world load conditions. High-quality Japanese capacitors provide uncompromised performance and reliability. 80PLUS Gold certified, delivering up to 90% energy efficiency at real world load conditions. A Seven year warranty and lifetime access to Corsairs legendary technical support and customer service. High-quality Japanese capacitors provide uncompromised performance and reliability. A Seven year warranty and lifetime access to Corsairs legendary technical support and customer service. An ultra-quiet double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature.