Spire BlackEagle 550W. Nominal power: 550 W, AC input voltage: 200 - 240 V, AC input frequency: 50 - 60 Hz. Fan diameter: 120 mm, Fan location: top, Fan speed: 1500 RPM. Motherboard power connector: 20+4 pin ATX. Noise level: 21 dB. Width: 150 mm, Depth: 140 mm, Height: 85 mm