189 views Yuda Electronic (HK) Technology Co.,Limited. 2019-09-04
In early March of this year, the official USB-IF organization announced the next generation of USB 4 (note that it is not USB 4.0). Now, the USB 4 standard specification is officially announced!
USB is definitely the most widely used interface in the history of technology, and the latest USB 4 is the biggest change in the history of this interface.
USB4 introduced the lightning protocol specification that Intel previously donated to the USB promotion organization. Two-lane, the transmission bandwidth has doubled to 40Gbps, which is exactly the same as the lightning 3.
Of course, to achieve such a transmission bandwidth, a new and certified data line is required.
While introducing the new underlying protocol, USB4 still maintains good compatibility, and is backward compatible with USB 3.2/3.1/3.0, lightning 3, which is now USB, lightning 3 device and data cable, still available on USB4 interface Used on.
USB4 will only have USB Type-C interface form, and support a variety of data, display protocols, including DisplayPort, can fully utilize high-speed bandwidth, and also support USB PD power supply.
As for when the USB4 device will be available, the USB-IF organization has not given a clear timetable, and obviously has to wait. After all, USB 3.2 (20Gbps) has not matured yet.
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