Be Quiet! Psu 750W Dark Power 12

80 PLUS Titanium efficiency (up to 95.9%). Patented frameless Silent Wings fan for virtually inaudible operation. Revolutionary full-mesh PSU front with redesigned funnel shape air inlet upholds the high air circulation abilities. Overclocking key switches between four 12V rails and one massive 12V rail. Modular cable management for maximum convenience. Active Rectifier + full bridge LLC technology provides unmatched signal stability and extremely high power efficiency. 6 PCI express connectors for overclocked high-end GPUs.