Enermax LibertyECO ELT620AWT-ECO. Nominal power: 620 W, AC input frequency: 50/60 Hz, Input current: 9.5/4 A. Fan diameter: 120 mm. Safety: OCP, OVP, UVP, OLP, SCP, OTP. Operating temperature range (T-T): 0 - 40 °C