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The Difference Between USB 2.0 And 3.0
Apr 09, 2018

The USB 3.0 specification is similar to USB 2.0 but with many improvements and an alternative implementation. 

Earlier USB concepts like endpoints and four transfer types (bulk, control, isochronous and interrupt) are preserved but the protocol and electrical interface are different. The specification defines a physically separate channel to carry USB 3.0 traffic. 

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