Kingwin ABT-650MM. Nominal power: 650 W, AC input voltage: 115 - 230 V, AC input frequency: 50 - 60 Hz. Fan diameter: 120 mm, Fan speed: 1800 RPM. Motherboard power connector: 20+4 pin ATX. Noise level: 28 dB. Width: 150 mm, Depth: 145 mm, Height: 85 mm