Document Library

LEGAL DISCLAIMER
THESE SPECIFICATIONS ARE PROVIDED “AS IS” AND WITHOUT ANY WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED. WITHOUT LIMITATION, THERE IS NO WARRANTY OF NON-INFRINGEMENT, NO WARRANTY OF MERCHANTABILITY, AND NO WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. ALL WARRANTIES ARE EXPRESSLY DISCLAIMED. USER ASSUMES THE FULL RISK OF USING THESE SPECIFICATIONS. IN NO EVENT SHALL USB-IF OR THE USB 3.0 PROMOTERS BE LIABLE FOR ANY ACTUAL, DIRECT, INDIRECT, PUNITIVE, OR CONSEQUENTIAL DAMAGES ARISING FROM SUCH USE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Title Category Type Technology Date
USB4 Adopters Agreement PDF Submission Update 20230223_0.pdf99.23 KBUSB4 Adopters Agreement Legal USB4
USB4 Compliance Matrix 20200630.pdf109.73 KBUSB4 Compliance Test Matrix Test Matrix USB4
USB4 Electrical Test Specifications_02.2026.zip11.58 MBUSB4 Electrical Compliance Test Specification

USB4 Electrical Compliance Test Specification Ver. 1.04

USB4 Electrical - Captive Device Compliance Test Specification Ver 1.02

Universal Serial Bus 4 (USB4®) Version 2 GEN4 Electrical Compliance Test Specification Ver 1.0

Read More
Specification Test Specification USB4
USB4_Gen2_2m.zip518.28 KBUSB4 Gen 2 TP3 Embedding File Tools Test Tool USB4
USB4_Gen3_0p8m.zip309.31 KBUSB4 Gen 3 TP3 Embedding File Tools Test Tool USB4
USB4_Gen3_plug_HS_design_guide_white_paper_2020_10_27.pdf898.56 KBUSB4 Gen3 Plug Connector High Speed Design Guide White Paper USB4
USB4 Interoperability Testing v1.06.pdf1 MBUSB4 Interoperability Test Procedures Specification Test Specification USB4
USB4 Product Test Matrix - V5.pdf110.97 KBUSB4 Product Test Matrix Test Matrix USB4
USB4 SigTest_0.99.zip38.43 MBUSB4 SigTest Tools Test Tool USB4
D2T2-2 - USB4 Cable and System.pdf1.64 MBUSB4(TM) Cable Electricals and System Design Presentations USB Type-C, USB4
D2T1-2 - USB4 Compliance and Certification.pdf852.91 KBUSB4(TM) Compliance and Certification Presentations USB4
D2T1-1 - USB4 Configuration Layer - Protocol Tunneling.pdf1016.06 KBUSB4(TM) Configuration Layer, USB3 Tunneling, DP Tunneling, and PCIe Tunneling Presentations USB 3.2, USB4
D1T1-4 - USB4 Electrical Layer.pdf705.86 KBUSB4(TM) Electricals Layer Presentations USB4
D1T1-5 - USB4 Logical Layer - Retimer - Transport.pdf1.42 MBUSB4(TM) Logical Layer, Re-timer and Transport Layer Presentations USB4
D1T2-2 - USB4 on Windows.pdf425.97 KBUSB4(TM) on Windows Presentations USB4
D1T1-3 - USB4 System Overview.pdf738.81 KBUSB4(TM) System Overview Presentations USB4
D2T1-3 - USB4 Time Sync - Host Interface - CM - TBT3.pdf855.31 KBUSB4(TM) Time Synchronization, Host Interface, Connection Manager and Thunderbolt(TM) 3 Compatibility Presentations USB4
USB4CV 1.7.1.0 Installer.exe49.98 MBUSB4CV Tools Test Tool USB4
USB4CV_CTSs_October_2025.zip20.58 MBUSB4CV Compliance Test Specification Specification Test Specification USB4
USB4 CV Guide-rev06042025.pdf12.88 MBUSB4CV Guide Tools Test Tool Instruction USB4
USB4EnableIdleSettings.zip402 bytesUSB4EnableIdleSettings Tools Test Tool USB4
USB4ETT V.1.1.2.zip62.04 MBUSB4ETT Tools Test Tool USB4
USB4 Specification Sep 2024_1.zip38.35 MBUSB4® Specification v2.0 Specification Base Specification USB4
USB4 TBT3-Compatibility CTS Rev 1.1.zip1.28 MBUSB4™ Thunderbolt3™ Compatibility Compliance Test Specification Specification Test Specification USB4
USB4™ Thunderbolt3™ Compatibility Requirements Specification Rev 1.0 - 20210129_0.pdf397.71 KBUSB4™ Thunderbolt3™ Compatibility Requirements Specification Specification Test Specification USB4
USBET2.zip421.88 KBUSBET20 Tools Test Tool USB 2.0
EHSETT 1.3.5.7 Installer - x86 Release.exe16.87 MBUSBHSET EHCI 32-bit Tools Test Tool USB 2.0
EHSETT 1.3.5.7 Installer - x64 Release.exe17.56 MBUSBHSET for EHCI 64-bit Tools Test Tool USB 2.0
EHSETT_Releasex86_1.2.1.2.msi6.43 MBUSBHSET version 1.2.1.2 for EHCI 32-bit (XP Version) Tools Test Tool USB 2.0
EHSETT_Releasex64_1.2.1.2.msi7.03 MBUSBHSET version 1.2.1.2 for EHCI 64-bit (XP Version) Tools Test Tool USB 2.0
usbhtt.msi10.9 MBUSBHTT Ver 1.2.0.3 Tools Test Tool USB 2.0
D2T1-4 - VESA DP Alt Mode over USB Type-C.pdf848.55 KBVESA - DisplayPort(TM) Alternate Mode on USB-C(R) Presentations USB Type-C
USB_Video_Class_1_1_090711.zip0 bytesVideo Class v1.1 document set
  • USB Video Class v1.1
  • USB Video Identifiers v1.1
  • USB Video Payload DV v1.1
  • USB Video Payload Frame Based v1.1
  • USB Video Payload MJPEG v1.1
  • USB Video Payload MPEG-2 TS v1.1
  • USB Video Payload Uncompressed v1.1
  • USB Video Payload Stream Based v1.1
  • USB Video Payload H264 v1.0
  • USB Video Transport v1.1
  • USB Video Example v1.1
  • USB Video FAQ v1.1
  • USB Video Payload H264 09Aug2011 Errata
Read More
Specification Device Class Specification
USB_Video_Class_1_5.zip0 bytesVideo Class v1.5 document set
  • UVC v1.5 Class specification
  • USB Video Example v1.5
  • USB Video FAQ v1.5
  • USB Video Payload DV v1.5
  • USB Video Payload Frame Based v1.5
  • USB Video Payload H264 v1.5
  • USB Video Payload MPEG-2 TS v1.5
  • USB Video Payload Uncompressed v1.5
  • USB Video Payload VP8 v1.5
  • USB Video Payload Stream Based v1.5
  • USB Video Transport v1.5
  • USB Video Payload_MJPEG v1.5
  • USB Video Temporal Encoder Examples v1.5
Read More
Specification Device Class Specification
xHCI_Backwards_Compatibility_Testing_v1_7.pdf0 bytesxHCI Backwards Compatibility Test Procedures For Hosts Rev 1.7 Specification Test Specification USB 3.2
3.2 Interoperability Testing v1.04 w USB Type-C.pdf2.59 MBxHCI Interoperability Test Procedures For Peripherals, Hubs and Hosts Specification Test Specification USB 2.0, USB 3.2, USB Power Delivery, USB Type-C
XHCICV 3.2.4.0 Installer.exe45.6 MBXHCICV Tools Test Tool USB 3.2
XHSETT 2.2.1.0 Installer.exe29.53 MBXHSETT Tools Test Tool USB 3.2
XHSETT 1.3.6.8 Installer - x86 Release.exe20 MBXHSETT x32 Tools Test Tool USB 3.2
XHSETT_Releasex86_1.1.2.0.msi7.92 MBXHSETT x32 Version 1.1.2.0 (XP Version) Tools Test Tool USB 3.2
XHSETT_Releasex64_1_1_2_0.msi8.88 MBXhsett x64 Version 1.1.2.0 (XP Version) Tools Test Tool USB 3.2