Be-Quiet Efficient Power F1 350W. Nominal power: 350 W, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Fan diameter: 120 mm, Fan location: top. Motherboard power connector: 24-pin ATX. Noise level: 27 dB. Width: 140 mm, Depth: 150 mm, Height: 86 mm