iStarUSA TC-2U50PD8. Nominal power: 500 W, AC input voltage: 115 - 230 V, AC input frequency: 50 - 60 Hz. Motherboard power connector: 24-pin ATX. Noise level: 38 dB. Width: 100.1 mm, Depth: 240 mm, Height: 70.1 mm. 80 PLUS certification: 80 PLUS