USB 4 version 2.0 announced; to provide data transfer speeds of up to 80 Gbps, backward compatibility feature


The USB Promoter Group has announced that USB 4 version 2.0 will support data transfer speeds of up to 80 Gbps via the USB Type-C cable and connector. The organization also said that USB Type-C and USB Power Delivery (USB PD) specifications will also be updated to achieve the claimed performance. USB 4 version 2.0 will also offer backward compatibility with the previous version of USB 4. Additional details on the USB 4 version 2.0 specification are expected to be revealed ahead of the USB Developer Days 2022 event taking place in November, according to the group.

In a press release, the USB Promoter Group, comprised of Apple, HP, Intel, Microsoft, Renesas Electronics, STMicroelectronics, and Texas Instruments, announced that USB 4 version 2.0 will enable data transfer at speeds up to at 80 Gbit/s via USB. Type-C cable and connector. The group said USB Type-C and USB PD specifications will also be upgraded to support higher data transfer speeds.

USB 4 version 2.0 is based on a new physical layer architecture, which uses existing USB Type-C 40Gbps passive cables and “newly defined” USB Type-C active cables, the USB Promoter Group added. . The organization is also working on protocol updates to allow USB 3.2 data tunneling to exceed speeds of 20 Gbps and to enable better alignment with the latest versions of DisplayPort and PCle data tunneling.

USB 4 version 1.0, USB 3.2, USB 2.0 and ThunderBolt 3 will be compatible with USB 4 version 2.0. The USB Promoter Group also said that additional specifications of the new version of USB 4 should be shared before the USB Developer Days 2022 event in November. The event will also feature technical training covering new updates to USB 4, USB Type-C and USB PD, the group added.

Meanwhile, Joe Balich, a spokesperson for the USB Implementers Forum (USB-IF) told The Verge that a USB 4 cable, which is rated at 40 Gbps, could achieve double its transfer speed. current data in the future, once the next USB 4 version is available.


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USB 4 version 2.0 announced; to provide data transfer speeds of up to 80 Gbps, backward compatibility feature



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