Thermaltake TR2 430W ATX 12 V2.3 Power Supply W0070RU-04 Maximum Power: 430 Watts Switch: ATX Logic on-off additional power rocker switch (115/230 V selector switch) Noise: 19dB at 2000RPM Cooling System: Dual 80x80x20mm Fan, 2400 RPM(+/-10%), Temp. Auto Control - 3010rpm at 25C ~ 3070rpm at 40C Connector: 1x 20+4pin Main Connector