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A minute to see the difference between USB 3.1 and Type-C ports

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First of all, we must be clear: USB 3.1 and USB Type-C are two completely different things. Strictly speaking, USB 3.1 is the latest USB-based transmission standard. Compared to its predecessor, USB 3.0, the new USB 3.1 increases the bandwidth while also dramatically increasing the encoding rate. USB 3.0 is an 8b/10b encoding, where 2 bits of the 10 bits of data transmitted are used as a check code, so the bandwidth loss can be as high as 20% (2/10). USB 3.1, on the other hand, uses 128b/132b encoding, where only 4 bits of the 132bit data are used as check digits, resulting in a very low transmission loss of 3% (4/132). USB Type-C is an interface standard, and USB 3.1 has three interface standards, USB Type A, USB Type B, and USB Type-C. USB Type-C has become the most promising interface standard to unify the interfaces due to its various advantages. So there is no correlation between USB 3.1 and USB Type-C. USB Type-C interface does not necessarily mean that it supports the USB 3.1 standard, and similarly, the use of the USB 3.1 standard interface is not necessarily a USB Type-C interface.

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