Tuesday, September 27, 2022

USB 4.0 Version 2.0 announced to boast around 80 Gbps of Bandwidth

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The USB Promoter Group recently unveiled USB 4 version 2.0, which offers significant improvements over the previous specification. The major improvement in version 2.0 is a twofold increase in bandwidth from 40 Gbps to an astounding 80 Gbps.

Due to this significant improvement, USB 4 Version 2.0 is now among the best connectivity protocols available. with speeds that are faster than any USB Thunderbolt standard now in use, including Thunderbolt 4, which has a 40 Gbps speed limit, similar to USB4.

The unexpectedly quick speeds of version 2.0 are attributable to USB4’s new physical layer architecture. Version 2.0 employs newly defined 80 Gbps USB Type-C active cables in addition to the 40 Gbps passive cables already present in USB4 Type-C to reach the 80 Gbps threshold.

The display functionality has also been updated in the new USB4 version. Including a bandwidth enhancement for USB 3.2 data tunnelling above 20Gbps while using other modes like DisplayPort mode. The most recent versions of the PCIe specification and the DisplayPort standard are now included in USB4 Version 2.0.

The original USB4 standard, USB 3.2, USB 2.0, and Thunderbolt 3 are all backwards compatible with USB 4 Version 2.0, as they are with all prior USB versions.

According to the USB group, Version 2.0 was developed especially for customers who operate multiple USB devices, such as docks, high-performance monitors, and more, using a single USB port. This makes a lot of sense because the 80Gbps of bandwidth in version 2.0 is just too much for the vast majority of people.

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Nivedita Bangari
Nivedita Bangari
I am a software engineer by profession and technology is my love, learning and playing with new technologies is my passion.

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