September 29, 2022
USB4 Version 2.0 Enables Speeds Up to 80Gbps Over USB-C

USB4 Version 2.0 Enables Speeds Up to 80Gbps Over USB-C

Posted September 1, 2022 at 5:55pm by iClarified · 2558 views
The USB Promoter Group has announced the pending release of the USB4 Version 2.0 specification, a major update to enable up to 80 Gbps of data performance over the USB Type-C cable and connector.

The USB Type-C and USB Power Delivery (USB PD) specifications will also be updated to enable this higher level of data performance. All of these specification updates are expected to be published in advance of this year’s series of USB DevDays developer events planned for November.

Protocol updates are also being made to enable higher performance USB 3.2, DisplayPort and PCI Express (PCIe) data tunneling to best use the higher available bandwidth.

“Once again following USB tradition, this updated USB4 specification doubles data performance to deliver higher levels of functionality to the USB Type-C ecosystem,” said Brad Saunders, USB Promoter Group Chairman. “Solutions seeing the most benefit from this speed enhancement include higher-performance displays, storage, and USB-based hubs and docks.”

Key characteristics of the updated USB4 solution include:

● Up to 80 Gbps operation, based on a new physical layer architecture, using existing 40 Gbps USB Type-C passive cables and newly-defined 80 Gbps USB Type-C active cables.
● Updates to data and display protocols to better use the increase in available bandwidth.
○ USB data architecture updates now enable USB 3.2 data tunneling to exceed 20 Gbps.
○ Updated to align with the latest versions of the DisplayPort and PCIe specifications.
● Backward compatibility with USB4 Version 1.0, USB 3.2, USB 2.0 and Thunderbolt 3.

USB Developer Days 2022 will include detailed technical training covering the latest updates to the USB4, USB Type-C, and USB PD specifications. Registration for the two scheduled events, November 1-2 in Seattle, WA and November 15-16 in Seoul, South Korea, will open shortly on the USB-IF website linked below...

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USB4 Version 2.0 Enables Speeds Up to 80Gbps Over USB-C
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onereader
onereader - September 2, 2022 at 5:27pm
Meanwhile we are stuck with slow external hardware
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