USB4 (Chinese Wikipedia)

USB Promoter Group USB4 Specification. usb.org. 2019-08-29 [2020-07-22]. （原始内容存档于2021-02-13）.
Member Press Releases | USB-IF. www.usb.org. [2024-08-22]. （原始内容存档于2025-01-13）.

web.archive.org (Global: 1^st place; Chinese: 1^st place)

USB Promoter Group USB4 Specification. usb.org. 2019-08-29 [2020-07-22]. （原始内容存档于2021-02-13）.
Bright, Peter. Thunderbolt 3 becomes USB4, as Intel’s interconnect goes royalty-free. Ars Technica. 2019-03-04 [2019-03-04]. （原始内容存档于2021-02-13）（美国英语）.
With USB 4, Thunderbolt and USB will converge. [2020-07-22]. （原始内容存档于2022-09-10）.
Hagedoorn, Hilbert. USB 4.0 Will Arrive In Late 2020. Guru3D.com. [2020-07-22]. （原始内容存档于2021-10-26）.
September 2019, Avram Piltch 03. USB 4: Everything We Know So Far. Tom's Hardware. [2020-07-22]. （原始内容存档于2021-06-30）.
Hill, Brandon. USB4 Leverages Thunderbolt 3 Protocol Doubling Speeds To 40Gbps. HotHardware. March 4, 2019 [2020-07-22]. （原始内容存档于2021-10-23）.
USB4 announced with 40Gbps bandwidth, it's based on Thunderbolt 3. GSMArena.com. [2020-07-22]. （原始内容存档于2022-01-15）.
USB4 - No more Mr. Nice Guy, your USB-C connector has to do it all! - #38. YouTube. 2019-11-21 [2020-05-01]. （原始内容存档于2021-11-25）.
The New USB standard: USB 3.2 Explained. web.archive.org. February 20, 2020 [2020-07-22]. （原始内容存档于2020-02-20）.
存档副本. [2024-08-02]. （原始内容存档于2024-12-16）.
Association (VESA), Video Electronics Standards. VESA Releases Updated DisplayPort™ Alt Mode Spec to Bring DisplayPort 2.0 Performance to USB4™ and New USB Type-C® Devices. www.prnewswire.com. [2020-07-22]. （原始内容存档于2021-11-24）.
Linux 5.6 Kernel Released With WireGuard, USB4, New AMD + Intel Hardware Support - Phoronix. www.phoronix.com. [2020-07-22]. （原始内容存档于2021-11-02）.
USB4 devices are clear to roll out next year. Engadget. [2020-07-22]. （原始内容存档于2021-11-24）.
Maislinger, Florian. First USB 4 devices to be launched at the end of 2020. June 14, 2019 [2020-07-22]. （原始内容存档于2021-11-24）.
Member Press Releases | USB-IF. www.usb.org. [2024-08-22]. （原始内容存档于2025-01-13）.
存档副本. [2024-08-02]. （原始内容存档于2024-12-16）.
Shilov, Anton. Cypress Announces USB 3.2 & USB4-Ready Controllers: EZ-PD CCG6DF & CCG6SF. www.anandtech.com. [2020-07-22]. （原始内容存档于2021-12-06）.

youtube.com (Global: 13^th place; Chinese: 8^th place)

USB4 - No more Mr. Nice Guy, your USB-C connector has to do it all! - #38. YouTube. 2019-11-21 [2020-05-01]. （原始内容存档于2021-11-25）.

USB4 (Chinese Wikipedia)

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web.archive.org (Global: 1^st place; Chinese: 1^st place)

youtube.com (Global: 13^th place; Chinese: 8^th place)