Power Supply HIGH QUALITY,COMPETITIVE PRICE Active PFC,apply to computer,server low ripple ,save power wide volt Power Supply: 1,long life quality,working time ... design of power saving,stand-by power less than 1 W. 3,high efficiency and low ripple noise. 4,with special IC ... controller,support over voltage,current and short circuit protection. 5,with 12cm big fan,single/double row male,switch optional. ...