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Thread: Specificatiile pentru USB 3.1 au fost finalizate!

  1. #1 SP
    Admin MonkY's Avatar

    Specificatiile pentru USB 3.1 au fost finalizate!

    Acum 3-4 luni va vorbeam in articolul acesta despre pasul urmator pe care il va face standardul USB 3.0, si iata ca deja avem finalizate specificatiile. Acestea sunt deja trimise catre producatori, si dupa cum banuiam initial, avem suportul pentru 10Gbps (pana acum USB 3.0 nu putea trece de bariera de 5Gbps). Bineinteles ca noul USB 3.1 va fi backward compatible cu USB 3.0 si 2.0, dar pentru a putea ajunge la 10Gbps va trebui sa aveti atat un chipset dedicat cat si un device gandit pentru USB 3.0.

    Mai jos aveti si comunicatul de presa:
    SuperSpeed USB 10 Gbps – Ready for Development
    USB 3.0 Promoter Group announced availability of the USB 3.1 Specification to increaseSuperSpeed USB to 10 Gbps

    HILLSBORO, Ore. – July 31, 2013 – The USB 3.0 Promoter Group today announced the completion of the USB 3.1 Specification which adds enhancements to enable SuperSpeed USB to operate at up to 10 Gbps. This latest release of the specification will be available today for download from the USB Implementers Forum (USB-IF) website.

    SuperSpeed USB 10 Gbps uses a more efficient data encoding and will deliver more than twice the effective data through-put performance of existing SuperSpeed USB over enhanced, fully backward compatible USB connectors and cables. Compatibility is assured with existing USB 3.0 software stacks and device class protocols as well as with existing 5 Gbps hubs and devices and USB 2.0 products.

    Developers interested in implementing the new USB 3.1 Specification have the opportunity to learn technical details during three developer conferences currently being planned. The international conferences planned in Europe and Asia will offer more advanced system design training as breakout sessions on the second day. For more details and conference registration instructions, please visit the USB-IF website.

    1. USB 3.1 Developers Day US – August 21, 2013 in Hillsboro, Ore.
    2. USB 3.1 Developers Days Europe – October 1-2, 2013 in Dublin, Ireland
    3. USB 3.1 Developers Days Asia – Two day conference scheduled for early December 2013, more details to follow

    "The USB 3.1 specification primarily extends existing USB 3.0 protocol and hub operation for speed scaling along with defining the next higher physical layer speed as 10 Gbps," said Brad Saunders, USB 3.0 Promoter Group Chairman. "The specification team worked hard to make sure that the changes made to support higher speeds were limited and remained consistent with existing USB 3.0 architecture to ease product development."

    "We recognize this advancement in USB technology is an important development forour customers," said Tom Bonola, Chief Technology Officer, Business PC Solutions, HP. "The USB 3.1 Specification enables us to meet the growing needs of our customers for faster data transfer while maintaining backwards compatibility with existing devices."The industry has affirmed the strong demand for higher through-put, for user-connected peripherals and docks, by coming together to produce a quality SuperSpeed USB 10 Gbps specification," said Alex Peleg, Vice President, Intel Architecture Group. "Intel is fully committed to deliver on this request."

    "While maintaining backward compatibility, USB continues to advance to meet customer's growing need for higher speed data" said Roland Sperlich, TI Consumer and Computing Interface Product Line Manager. "The 10 Gbps data rate allows designers across many industries to do more with a universal standard."

    "In this multi-device world, the USB 3.1 updates will enable end-users to move content across devices quickly, conveniently and without worrying about compatibility," said Emile Ianni, Corporate Vice President of Platform Solutions Engineering, AMD. "AMD thanks our engineers as well as the other technology contributors for bringing to market robust innovation that is designed to work seamlessly with new and existing solutions."

    About the USB 3.0 Promoter Group

    The USB 3.0 Promoter Group, comprised of Hewlett-Packard Company, Intel Corporation, Microsoft Corporation, Renesas Electronics, ST-Ericsson and Texas Instruments, developed the USB 3.0 Specification that was released in November 2008. In addition to maintaining and enhancing this specification, the USB 3.0 Promoter Group develops specification addendums to extend or adapt its specifications to support more platform types or use cases where adopting USB 3.0 technology will be beneficial in delivering a more ubiquitous, richer user experience.

    About the 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. The USB-IF facilitates the development of high-quality compatible USB devices through its logo and compliance program, and promotes the benefits of USB and the quality of products that have passed compliance testing. Further information, including postings of the most recent product and technology announcements, is available by visiting the USB-IF website at - Welcome.
    Attached Images Attached Images usb3_1.jpg

  2. #2 SP
    Member Snake's Avatar
    Perfect! Asta inseamna ca in sfarsit pe USB 3.1 vom putea folosi SSD-uri si alte device-uri care depasesc deja 600MB/s. Eu sunt curios ce impact va avea asupra BUS-ului asa ceva si ce CPU usage o sa vedem.

    Pentru cei care nu stiu Thunderbolt deja trece la 20Gbps.

  3. #3 SP
    Admin MonkY's Avatar
    Da, partea funny e ca daca va fi CPU usage-ul low, vei putea lucra pe un HDD extern mai repede decat pe cel intern. Insa sunt putine SSD-uri care sar de 600MB/s... sau nebunii in RAID0 sau 10...

    Pe mine ma enerveaza faptul ca au evoluat atat de mult conexiunile astea (vezi Thunderbolt, USB 3.1) dar partea de retelistica pe cablu (pt. home use, unde nu luam in calcul fibra optica) a ramas in urma rau. O placa de 10Gbps costa o mica avere... si nu doar ca iti trebuie si pe celelalte PC-uri tot placa de retea la 10Gbps, dar iti mai trebuie si un switch cu management serios care sa stie de 10Gbps (si costa 2 mici averi).

    La un moment dat stiu ca iesisera niste jucarii gen "USB Network" de puteai lega intre 2 PC-uri... sper sa vad asa ceva si pentru USB 3.1... desi stiu ca Microsoft nu suporta networking via USB

  4. #4 SP
    Admin MonkY's Avatar
    Si iata si primul benchmark cu 2 device-uri USB 3.1 (un enclosure cu 2x SSD Samsung 840 Evo in RAID 0 si un Asus Z97-A/USB 3.1). Sursa: Here's how fast USB 3.1 is in the real world - TechSpot.
    Using CrystalDiskMark to measure sequential read and write speed as well as 4K random reads / writes, the publication recorded sequential read speeds of 781.2MB/sec and writes of 797.8MB/sec. In the same test, USB 3.0 scored just 446.5MB/sec and 448.6MB/sec, respectively.

    4K random reads checked in at 35.8MB/sec with writes scoring 79.6MB/sec, compared to USB 3.0 read / write speeds of 26.2MB/sec and 27.3MB/sec.
    Not bad at all! Si tineti cont ca vorbim de niste versiuni de test... pana le vom vedea pe piata poate mai cresc un pic rezultatele.
    Attached Images Attached Images asus_usb_31_1.jpg asus_usb_31_2.jpg asus_usb_31_3.jpg

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