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Forget USB 3.2: Thunderbolt 3 Will Become the Basis of USB 4

posted by chromas on Tuesday March 05 2019, @03:33AM   Printer-friendly

takyon writes:

USB 3.2 Gen 2×2 isn't even my final form:

Fulfilling its 2017 promise to make Thunderbolt 3 royalty-free, Intel has given the specification for its high-speed interconnect to the USB Implementers Forum (USB-IF), the industry group that develops the USB specification. The USB-IF has taken the spec and will use it to form the basis of USB4, the next iteration of USB following USB 3.2.

Thunderbolt 3 not only doubles the bandwidth of USB 3.2 Gen 2×2, going from 20Gb/s to 40Gb/s, it also enables the use of multiple data and display protocols simultaneously. We would expect the USB4 specification to be essentially a superset of the Thunderbolt 3 and USB 3.2 specifications, thus incorporating both the traditional USB family of protocols (up to and including the USB 3.2 Gen 2×2) and the Thunderbolt 3 protocol in a single document. Down the line, this should translate into USB4 controllers that support the whole range of speeds.

Lost? Frightened? Confused? Good!

Also at AnandTech, The Verge, and Engadget.

Original Submission

 
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  • (Score: 2, Funny) by Anonymous Coward on Tuesday March 05 2019, @08:31AM (2 children)

    by Anonymous Coward on Tuesday March 05 2019, @08:31AM (#810185)

    usb 33 1/3
    usb 45
    usb 78

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  • (Score: 2) by AndyTheAbsurd on Tuesday March 05 2019, @02:46PM (1 child)

    by AndyTheAbsurd (3958) on Tuesday March 05 2019, @02:46PM (#810257) Journal

    Hey! I got that reference!

    --
    Please note my username before responding. You may have been trolled.

    • (Score: 2) by aristarchus on Tuesday March 05 2019, @06:51PM

      by aristarchus (2645) on Tuesday March 05 2019, @06:51PM (#810362) Journal

      But 78's were not even vinyl! It is where we get the "breakage" fee taken out of artist's royalties, even for vinyl, CDs, and Mp3s.