Completely modular power supply lets you connect only the cables you need for a neat and tidy interior 850W power supply with triple EPS12V connectors can supply reliable power to all the latest graphic cards, processors, and other performance hardware 140mm rifle-bearing fan is fine tuned to keep noise minimum even when running at full load Zero RPM Fan Mode turns the fan off when running at low or medium loads for almost noiseless operation Compatible with Modern Standby for low-load efficiency and quick wake-up time from sleep Resonant LLC Topology supplies clean and steady power with low coil whining and executes energy efficient sleep states 105-degrees C rated capacitors are industrial grade and capable of powerful electrical performance and long-term reliability 80 PLUS GOLD certification means this power supply boasts up to 90% efficiency in power consumption which means less power is wasted