About this item Universal input voltage: 85-264V AC or 110-370V DC. The product is easy to install and can be used directly on the motherboard. High efficiency, high power density, low output ripple noise, and high output voltage accuracy. Input and output are highly isolated. Four corners have fixed mounting holes to prevent movement. The fixed holes are straight with a diameter of 3.2mm. Dimensions: 4.2 x 3.2 x 1.4 inches.