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