Rosewill glacier 600m 600w power supply features 80 plus bronze certified to deliver over 85 efficiency silent 135mm aero diversion fan with auto speed control further reduces the heat exhaust from the psu modular cable management atx 12v v23 ready supports eps 12v v292 and backwards compatible with atx 12v v201 active power factor correction pfc with pf value of 099 crossfire and sli support over currentvoltagetemperaturepower protection under voltage protection and short c