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 board. High efficiency, high power density, low output ripple noise, high output voltage accuracy. Input and output are highly isolated. Four corners have a fixed mounting hole to prevent movement. Fixed hole straight by 3.2mm. Dimensions: 4 x 3.1 x 1 inches.