Seasonic S12II-520 Bronze. Nominal power: 520 W, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Fan diameter: 120 mm, Cooling type: active. Motherboard power connector: 20+4 pin ATX. Noise level: 22 dB. Width: 150 mm, Depth: 140 mm, Height: 86 mm