Features compliant intel atx12v v 231 the integrated active pfc pwm combo controller will increase the efficiency of exchange and make pfc higher than 99 80 plus bronze certified up to 85 efficiency 120mm silent fan with pwm function full modularized longer flat cabling design supports cable management perfectly double layer emi filter protects from electromagnetic interference amp restrains noise intelligentized eco friendly chipset consume lt 03w in its off mode compliant erp sta