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Brief Introduction to The Difference between USB 3.1 and Type-C

Brief Introduction to The Difference between USB 3.1 and Type-C

USB 3.1 and USB Type-c are now widely used,  but there are few people really clear with the difference between them, the media and even some social media will also confuse them in the report. More seriously, some unscrupulous companies take advantage of this consumers’ confusion. So, what’s the correlation on earth betwen USB 3.1 and Type-C?

First, we must be clear with the fact that USB3.1 and USB Type-C are totally different!!20170517_163530_102.jpgStrictly speaking, USB 3.1 is a standard USB is based on the latest transmission. At the same time compared to the previous generation of USB3.0, the new USB 3.1 has significantly increased bandwidth to improve the coding rate.

USB 3.0 is the 8b / 10b encoding, each 10bit data transmission, there is a 2bit check code exists, so the loss will be up to 20% bandwidth (2/10). And USB 3.1 is used 128b / 132b encoding, using only the information 132bit 4bit as an inspection code, the transmission loss rate is very low, only 3% (4/132).


The USB Type-C is an interface standard is accurate. USB 3.1 interface standard There are three types, namely, USB Type A, USB Type B and a USB Type-C. The USB Type-C due to various advantages, has become the most promising standard unified interface for each interface.

And there is no absolute correlation between USB 3.1 and USB Type-C. There are USB Type-C does not necessarily represent the interface supports USB 3.1 standard, the same, using the USB 3.1 standard interface is not necessarily the USB Type-C interface.