Universal Serial Bus 3.1
Specification
Hewlet
t-Packard Company
Intel Corporation
Microsoft Corporation
Renesas Corporation
ST-Ericsson
Texas Instruments
Revision 1.0
July 26, 2013
Universal Serial Bus 3.1 Specification, Revision 1.0
ii
Revision History
Revision Comments Issue Date
1.0 Initial release. USB 3.0 November 12, 2008
Incorporated errata and ECNs June 6, 2011
1.0 Initial release. USB 3.1 July 26, 2013
INTELLECTUAL PROPERTY DISCLAIMER
THIS SPECIFICATION IS PROVIDED TO YOU “AS IS” WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY
WARRANTY OF MERCHANTABILITY, NON-INFRINGEMENT, OR FITNESS FOR ANY PARTICULAR PURPOSE. THE
AUTHORS OF THIS SPECIFICATION DISCLAIM ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY
PROPRIETARY RIGHTS, RELATING TO USE OR IMPLEMENTATION OF INFORMATION IN THIS SPECIFICATION. THE
PROVISION OF THIS SPECIFICATION TO YOU DOES NOT PROVIDE YOU WITH ANY LICENSE, EXPRESS OR
IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS.
Please send comments to techsup@usb.org
For industry information, refer to the USB Implementers Forum web page at http://www.usb.org
All product names are trademarks, registered trademarks, or servicemarks of their respective owners.
Copyright © 2007-2013, Hewlett-Packard Company, Intel Corporation, Microsoft Corporation, Renesas Corporation, ST-
Ericsson, and Texas Instruments.
All rights reserved.
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Acknowledgement of Technical Contribution
Dedication
Dedicated to the memory of Brad Hosler, the impact of whose
accomplishments made the Universal Serial Bus one of the most
successful technology innovations of the Personal Computer era.
The authors of this specification would like to recognize the following people who participated in the
USB 3.0 Bus Specification technical workgroups. We would also like to acknowledge the many others
throughout the industry who provided feedback and contributed to the development of this specification.
Promoter Company Employees
Alan Berkema
Hewlett-Packard Company
Walter Fry
Hewlett-Packard Company
Anthony Hudson
Hewlett-Packard Company
David Roderick Hewlett-Packard Company
Kok Hong Chan
Intel Corporation
Huimin Chen
Intel Corporation
Bob Dunstan
Intel Corporation
Dan Froelich
Intel Corporation
Howard Heck Intel Corporation
Brad Hosler
Intel Corporation
John Howard
Intel Corporation
Rahman Ismail
Intel Corporation
John Keys
Intel Corporation
Yun Ling
Intel Corporation
Andy Martwick
Intel Corporation
Steve McGowan
Intel Corporation
Ramin Neshati
Intel Corporation
Duane Quiet
Intel Corporation
Jeff Ravencraft Intel Corporation
Brad Saunders
Intel Corporation
Joe Schaefer
Intel Corporation
Sarah Sharp
Intel Corporation
Micah Sheller
Intel Corporation
Gary Solomon
Intel Corporation
Karthi Vadivelu
Intel Corporation
Clint Walker
Intel Corporation
Jim Walsh
Intel Corporation
Randy Aull
Microsoft Corporation
Fred Bhesania
Microsoft Corporation
Martin Borve
Microsoft Corporation
Jim Bovee
Microsoft Corporation
Stephen Cooper
Microsoft Corporation
Lars Giusti
Microsoft Corporation
Robbie Harris Microsoft Corporation
Allen Marshall
Microsoft Corporation
Kiran Muthabatulla
Microsoft Corporation
Universal Serial Bus 3.1 Specification, Revision 1.0
iv
Tomas Perez-Rodriguez
Microsoft Corporation
Mukund Sankaranarayan
Microsoft Corporation
Nathan Sherman
Microsoft Corporation
Glen Slick
Microsoft Corporation
David Wooten
Microsoft Corporation
Rob Young
Microsoft Corporation
Nobuo Furuya
NEC Corporation
Hiroshi Kariya
NEC Corporation
Masami Katagiri
NEC Corporation
Yuichi Mizoguchi
NEC Corporation
Kats Nakazawa NEC Corporation
Nobuyuki Mizukoshi
NEC Corporation
Yutaka Noguchi
NEC Corporation
Hajime Nozaki
NEC Corporation
Kenji Oguma
NEC Corporation
Satoshi Ohtani
NEC Corporation
Takanori Saeki
NEC Corporation
Eiji Sakai
NEC Corporation
Hiro Sakamoto
NEC Corporation
Hajime Sakuma
NEC Corporation
Makoto Sato
NEC Corporation
Hock Seow
NEC Corporation
"Peter" Chu Tin Teng
NEC Corporation
Yoshiyuki Tomoda
NEC Corporation
Satomi Yamauchi
NEC Corporation
Yoshiyuki Yamada NEC Corporation
Susumu Yasuda
NEC Corporation
Alan Chang
ST-NXP Wireless
Wing Yan Chung
ST-NXP Wireless
Socol Constantin
ST-NXP Wireless
Knud Holtvoeth NXP Semiconductors, B.V.
Linus Kerk
ST-NXP Wireless
Martin Klein
NXP Semiconductors, B.V.
Geert Knapen
NXP Semiconductors, B.V.
Chee Ee Lee
ST-NXP Wireless
Christian Paquet
NXP Semiconductors, B.V.
Veerappan Rajaram
ST-NXP Wireless
Shaun Reemeyer
ST-NXP Wireless
Dave Sroka
ST-NXP Wireless
Chee-Yen TEE
ST-NXP Wireless
Jerome Tjia ST-NXP Wireless
Bart Vertenten
NXP Semiconductors, B.V.
Hock Meng Yeo
ST-NXP Wireless
Olivier Alavoine
Texas Instruments.
David Arciniega
Texas Instruments
Richard Baker
Texas Instruments
Sujoy Chakravarty
Texas Instruments
T. Y. Chan
Texas Instruments
Romit Dasgupta
Texas Instruments.
Alex Davidson
Texas Instruments
v
Eric Desmarchelier
Texas Instruments
Christophe Gautier
Texas Instruments
Dan Harmon
Texas Instruments
Will Harris
Texas Instruments
Richard Hubbard
Texas Instruments
Ivo Huber
Texas Instruments
Scott Kim
Texas Instruments
Grant Ley
Texas Instruments
Karl Muth
Texas Instruments
Lee Myers
Texas Instruments
Julie Nirchi Texas Instruments
Wes Ray
Texas Instruments
Matthew Rowley
Texas Instruments
Bill Sherry
Texas Instruments
Mitsuru Shimada
Texas Instruments
James Skidmore
Texas Instruments
Yoram Solomon
Texas Instruments.
Sue Vining
Texas Instruments
Jin-sheng Wang
Texas Instruments
Roy Wojciechowski
Texas Instruments
Contributor Company Employees
Glen Chandler
Acon
John Chen
Acon
Roger Hou
Acon
Charles Wang
Acon
Norman Wu
Acon
Steven Yang
Acon
George Yee
Acon
George Olear
Contech Research
Sophia Liu
Electronics Testing Center, Taiwan (ETC)
William Northey
FCI
Tom Sultzer
FCI
Garry Biddle
Foxconn
Kuan-Yu Chen
Foxconn
Jason Chou
Foxconn
Gustavo Duenas
Foxconn
Bob Hall
Foxconn
Jiayong He
Foxconn
Jim Koser
Foxconn
Joe Ortega
Foxconn
Ash Raheja
Foxconn
James Sabo
Foxconn
Pei Tsao
Foxconn
Kevin Walker
Foxconn
Tsuneki Watanabe
Foxconn
Chong Yi
Foxconn
Taro Hishinuma
Hirose Electric
Kaz Ichikawa
Hirose Electric
Ryozo Koyama
Hirose Electric
Karl Kwiat
Hirose Electric
Tadashi Sakaizawa
Hirose Electric
Shinya Tono
Hirose Electric
Eiji Wakatsuki
Hirose Electric
Takashi Ehara
Japan Aviation Electronics Industry Ltd. (JAE)
Ron Muir
Japan Aviation Electronics Industry Ltd. (JAE)
