Cooler Master Real Power Pro Series 850W ATX12V / EPS12V SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply - (RS850-EMBAD1-US) Eco-design for energy and money saving by Active PFC (###GT!!!0.99) / high efficiency (###GT!!!80%) Super silent operation 120mm fan with intelligent speed controller makes superb heat dissipation at low noise (17dBA) Compliance with the newest Intel standard ATX 12V V2.3 and the newest SSI standard EPS 12V V2.91 Worry-free Power Failure Detector will light up when Over-Voltage, Under-Voltage, Over-Temperature, Over-Current, Over-Loading, and Short circuit occur Five-year warranty