USB4 is the latest version of the USB connectivity standard, which was released in August 2019 and began to appear on equipment in autumn 2020. The USB4 aims to integrate multiple protocols into a single physical interface, allowing dynamic sharing of the overall speed and performance of the USB4 architecture.

Major features of USB4
- Higher transmission speed: USB4 has a maximum transmission speed of 40 Gbps, twice as high as USB 3.2.
- Greater flexibilityUSB4 can transmit data, videos and audio signals simultaneously.
- Better compatibility.USB4 down to USB 3.2, USB 2.0 and Thunderbolt 3.
USB4 Applications
USB4 can be used for various applications, including:
- Data TransferUSB4 can be used to quickly transmit files, photos and videos.
- Video OutputUSB4 can be used to connect monitors and projectors.
- Audio OutputUSB4 can be used to connect headphones and speakers.
- Growwood.USB4 can be used to connect the extension dock to expand equipment connectivity.
The Future of USB4
USB4 is the future of USB connectivity standards. It will provide faster speed, greater flexibility and better compatibility for various devices.
Here are some of the frequently asked questions about USB4:
- What's the difference between USB4 and Thunderbolt 3?
USB4 and Thunderbolt 3 are very similar technically. The USB4 norm is based on the Thunderbolt 3 protocol. However, the USB4 certification requirement is lower than that of Thunderbolt 3, and there may be more compatibility problems.
- Does my equipment support USB4?
To see if your equipment supports USB4, check the specifications of the equipment or contact the equipment manufacturer.
- Should I buy USB4 equipment?
If you need fast, flexible and compatible connections, you should consider buying USB4 devices.
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