Features active pfc design high efficiency consume lt 1w in its off mode compliant intel atx231 120mm silent fan with pwm function circuitshieldacircbdquocent acirceurordquo over voltage protection ovp short circuit protection scp over power protection opp applying the latest unleaded production technics compliant to rohs standard up to 80plus standard under the typical loading 80 efficiency the longer cable supports cable management of middle tower case