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How to Test and Troubleshoot USB4

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USB4 is a hardware interface that supports several protocols through the USB Type-C connector. Based on the Thunderbolt protocol specification, the USB4 architecture doubles the bandwidth of USB and enables multiple simultaneous data and display protocols.

It enables users to connect a diverse collection of external devices to a computer. These external devices can be anything from high-resolution displays to external memory drives to docking stations — and they all can connect with the same USB Type-C connector. This connector is small and reversible, removing the frustration of having to figure out the correct way to plug it into a device. 


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