What is the mean of USB 1.1,usb 2.0, usb3.0,usb3.1?

- Dec 27, 2017 -

What do USB 1.1, 2, 3, 3.1 mean?



USB 1.1, 2, 3, 3.1 is a USB specification, which is initiated by Intel and other companies. The maximum transmission bandwidth of USB 2 is 480Mbps (60MB/s), and the maximum transmission bandwidth of USB 3 is as high as 5.0Gbps (625MB/s). USB 3.1 is currently the latest USB specification. Compared with the existing USB technology, the new USB technology uses a more efficient data coding system and provides more than one effective data throughput to 10.0Gbps (1.3GB/s), which is completely downwards compatible with the existing USB connectors and cables.


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