be quiet! Dark Power Pro 10 750W. Nominal power: 750 W, Peak power: 850 W, AC input voltage: 100 - 240 V. Fan diameter: 135 mm, Fan speed: 1800 RPM, Cooling type: active. Motherboard power connector: 20+4 pin ATX, Cabling type: fixed & modular. Noise level: 22.6 dB. Width: 150 mm, Depth: 86 mm, Height: 180 mm