Be-Quiet DARK POWER PRO 10 850W. Nominal power: 850 W, Peak power: 950 W, AC input voltage: 100 - 240 V. Fan diameter: 135 mm, Fan speed: 2000 RPM, Cooling type: active. Motherboard power connector: 20+4 pin ATX, Cabling type: fixed & modular. Noise level: 24.2 dB. Width: 150 mm, Depth: 86 mm, Height: 190 mm