AeroCool 80Plus Gold True 1000W Direct DC to DC ATX Power Supply (Xpredator 1000GM) Up to 90%+ efficiency with official 80Plus Gold certificate. DC to DC circuit design offers advantages of more stable voltage regulation and huge 12V outputting during dynamic loads. Single 12V rail for high compatibility and extreme high current output. 140mm silent grey fan with smart thermal fan speed control circuit. Complete protections with OVP/UVP/OPP/SCP/SIP.