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USB4 2.0 supports up to 80Gbps [Technical Articles]

USB4 2.0 specification was released on October 19, 2022, interface will be a USB Type-C cable with a max data transfer rate of 80 Gbps (10 GB/s).
USB4 2.0 80Gbps

Table of Contents

The USB4 2.0 specification was released on October 19, 2022, The interface will also be a USB Type-C cable with a maximum data transfer rate of 80 Gbps (10 GB/s). USB Type-C and USB Power Delivery (USB PD) specifications are also updated to higher levels. throughput. All of these spec updates are expected to be released ahead of this year’s USB DevDays developer event series, scheduled for November.

Key features of the updated USB4 solution:

  • Speed up to 80 Gbps, based on the new physical layer architecture, uses the existing 40 Gbps USB Type-C passive cable and the newly defined 80 Gbps USB Type-C active cable.
  • Update data and display logs to make better use of the increased bandwidth available.
  1. The updated USB data architecture now enables USB 3.2 data tunneling at over 20 Gbps.
  2. Updated to comply with the latest version of the DisplayPort and PCIe specifications.
  • Backward compatibility with USB4 version 1.0, USB 3.2, USB 2.0, and Thunderbolt™ 3

To enable developers to understand and adapt to the USB4 2.0 specification as quickly as possible, the USB-IF Association will hold two events on November 1st and 2nd, 2022 in Seattle, USA, and November 15th, 2022 in Seattle, USA., and November 16, 2022. November 2022 in Seoul. Korea, including in-depth technical training on the latest USB4, USB Type-C, and USB PD specification updates. Registration is currently available through the USB-IF Association website.

About the USB initiator group

Apple Inc., Hewlett-Packard Inc., Intel Corporation, Microsoft Corporation, Renesas Electronics Corporation, STMicroelectronics, and Texas Instruments, consisting of the USB Promoter Group which continues to evolve the USB specification family to meet market demand and improve the Features and performance of USB solutions. In addition, the USB Promoter Group is developing specification attachments (USB Power Delivery, USB Type-C ®, etc.) to extend or adapt the specification to support more types of platforms or use cases. The introduction of USB technology will help provide a richer and more universal user experience.

About USB-IF

The non-profit USB Implementers Forum, Inc. was formed to provide a support organization and forum for the advancement and adoption of USB technology as defined in the USB specification. USB-if promotes the development of high-quality compatible USB devices through its logo and compliance program and advertises the advantages of USB and the quality of products that pass compliance tests. For more information, including the latest product and technology announcements, visit the USB-IF website at www.usb.org.

USB4 ®, USB Type-C ®, and USB-C ® are registered trademarks of the USB Implementers Forum (USB-IF). Thunderbolt™ is a trademark of Intel Corporation. PCI Express ® and PCIe ® are registered trademarks of PCI-SIG. DisplayPort™ is a trademark of VESA.

Previous USB Versions

Release
Time
USB VersionSpeedData ChannelConnectorMax Output
1996USB1.01.5MbpsD+D-/5V/500mA
1998USB1.112MbpsD+D-/5V/500mA
2000USB2.0480MbpsD+D-/5V/500mA
2008USB3.05GbpsTX+TX-RX+RX-/5V/900mA
2013USB3.1 Gen15GbpsTX+TX-RX+RX-/5V/900mA
2013USB3.1 Gen210GbpsTX1+TX1-RX1+RX1-
or
TX2+TX2-RX2+RX2-
/5V/900mA
2017USB3.2 Gen15GbpsTX1+TX1-RX1+RX1-
or
TX2+TX2-RX2+RX2-
AtoC
CtoC
PD2.0 100W
2017USB3.2 Gen210GbpsTX1+TX1-RX1+RX1-
or
TX2+TX2-RX2+RX2-
AtoC
CtoC
PD2.0 100W
2017USB3.2 Gen2x220GbpsTX1+TX1-RX1+RX1-
or
TX2+TX2-RX2+RX2-
CtoCPD2.0 100W
2019USB4 1.0 2020GbpsTX1+TX1-RX1+RX1-
or
TX2+TX2-RX2+RX2-
CtoCPD3.1 240W
PD3.0 100W
2019USB4 1.0 4040GbpsTX1+TX1-RX1+RX1-
or
TX2+TX2-RX2+RX2-
CtoCPD3.1 240W
PD3.0 100W
2022USB4 2.080Gbps?CtoC?
2022USB3.2 2.0 (TBD)20Gbps+?CtoC?
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