# How to differentiate between iSG Display and iSG Display Max

Currently, we have two models: iSG Display and iSG Display Max, and the hardware performance of these two is different. 

The most straightforward way to distinguish them is by the USB port on the side of the device. 

* The iSG Display has a micro USB port on its side. 

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* The iSG Display Max has a Type-C USB port on its side.

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