Silverstone Tek 1500W ATX12V/EPS12V SLI Ready CrossFire Ready 80 PLUS Silver Certified Modular Active PFC Power Supply (ST1500) 1500W continuous power output with 40C operating temperature and 1600W peak power 100% modular cables with cable bag Efficiency 85%~88% at 20%~100% loading with 80 PLUS Silver certification Class-leading eight +12V rails with 110A (Peak up to 120A) Strict 3% voltage regulation. Supports ATX 12V 2.3 & EPS 12V Silent running 135mm fan with 19dBA minimum Japanese main capacitors. Four PCI-E 8pin, eight PCI-E 6pin, and twelve SATA connectors support Active PFC