Full Details from Amazon.com : http://www.amazon.com/gp/product/B004KFYDSG?tag=onigi-20
Thunderbolt 1200W Power Supply ATX 1200 Energy Star Certified Power Supply TTBK20G
Efficiency performance up to 90 with 80Plus Gold certification
Quad 12V rail design providing up to 100A 1200W
Modularized Cable Management
Complies with all the latest Intel and AMD CPU
Designed to sustain at 50C ambient with full wattage output
Active PFC circuit helps to provide perfect PF value 099