Inter-Tech Coba Nitrox Xchange 450W. Nominal power: 450 W, AC input voltage: 220 - 240 V, AC input frequency: 50 Hz. Fan diameter: 120 mm, Fan speed: 1600 RPM, Cooling type: active. Motherboard power connector: 20+4 pin ATX. Noise level: 18 dB. Width: 150 mm, Depth: 140 mm, Height: 86 mm