The CF-series power supply is built with high-quality components for extra long life and maximum system performance along with heavy duty transformers supporting high-end systems. This fanless power supply has a built-in EMI filter for a true no-noise design. The aluminum chassis is built for maximum heat relief to keep the system cool. Combined with a great ventilated structure, you’ll never need a fan. This is a true silent structure that powers your system at 480 watts efficiency.