SPI ATX-350PA-B204 350W ATX V2.2 20? 8CM Ball-bearing FAN 1xSATA Input Range - +/-10 pervect of 115Vrms/57-63Hz or 230Vrms/47-53Hz&#44;Manual Selection. Input Current - 8A (RMS) 115Vac&#44; 4A (RMS) 230Vac. Total output for this subject power supply is 350W. Temperature Range - Operating: 0C - +50C&#44; Full load at 25C&#44; De-rate 2W/C from 25C to 50C. Efficiency - 70 percent minimum measured at normal AC mains voltage and frequency with full load.