MS-Tech N850. Nominal power: 850 W, AC input voltage: 100 - 240 V, Power Factor Correction (PFC) type: Active. Fan diameter: 120 mm. Motherboard power connector: 20+4 pin ATX. Noise level: 28.5 dB. Width: 58.7 mm, Depth: 55 mm, Height: 3.35 mm