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PCIe 5 Announced

Discussion in 'Frontpage news' started by Clawedge, May 30, 2019.

  1. Clawedge

    Clawedge Ancient Guru

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    386SX likes this.
  2. sverek

    sverek Ancient Guru

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  3. TheDeeGee

    TheDeeGee Ancient Guru

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    I bet that will require atleast 5x 40MM Fans to cool the chipset then, great stuff!
     
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  4. sverek

    sverek Ancient Guru

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    Jokes on you, I will mount PCI Express 5.0 on my PCI Express 3.0 slot.
     
    SweenJM likes this.

  5. Alex13

    Alex13 Ancient Guru

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    Hey I can wait until 2021 when it gets implemented on new motherboards.
    What do you mean not, Yes I can, ok maybe?
    Yes I could?

    Mentally preparing for 2021 DDR5 and PCIE4.0
     
  6. SweenJM

    SweenJM Master Guru

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    With the advancement in nv memory tech and interconnects, one wonders how long it will be before all components share one bus.
     
  7. nevcairiel

    nevcairiel Master Guru

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    This was known to be coming this year, which is why many people expect PCIe4.0 to be skipped by various vendors and go straight for 5 instead, since 5 will have a far longer lifetime then 4 ever can.
    Of course its all backwards compatible, so a PCIe4.0 device will be able to benefit from it in the future still, but nevertheless, funny how long we've been on 3 and 4 basically gets its replacement released at the same time as its rolling out to mainstream for the first time.
     
  8. asturur

    asturur Master Guru

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    i mean they completed the specifications, that does not mean this is already cheap to build or easy to get on a motherboard + cpu + chipset. Or also that a cpu does not need too much power to use it.

    PCI ex4 allow us to double bandwidth of disks and GPUs ( that we never saturated for now ) i think is good for the next 2 years
     
  9. thesebastian

    thesebastian Active Member

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    I wonder how many months, semesters or years we will have to wait to have PCI 5.0 motherboard at home.

    And more important, how much time, till we start taking advantage of it for gaming purposes!

    I hope this happens fast!
     
  10. sverek

    sverek Ancient Guru

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    I am not sure if there noticeable performance difference between PCI Express 2.0 vs 3.0, let alone 4.0 or 5.0.

    Perhaps once GPU will be able to fully utilize the bandwidth.
     
    thesebastian likes this.

  11. Alessio1989

    Alessio1989 Maha Guru

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    We barely start to see small performance difference between PCI-E x16 2.x and 3.x on high end GPUs... And PCI-E 4.x is just a fancy addition on next systems and will be for the following years for most users...
    I would prefer to see two orders of magnitude less on latencies than useless bandwidth... Oh yes, a better and proper GPU page faulting system would also a lot appreciated.. Of course latencies and page faulting aren't important on the marketing side...
     
  12. Evildead666

    Evildead666 Maha Guru

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    They could have open-ended x8 slots max for consumer boards, and the full x16 slots (with the extra hardware required) for the WS boards, and servers.
    Hope for some day soon a full complement of x8 slots.
    Save some board real estate too by not needing the long x16 slot.

    As said before, we, Gamers, dont really tax the PCIe Bus that much, and could probably get away with x8 slot cards.
     
  13. Alessio1989

    Alessio1989 Maha Guru

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    We still use physical x16 slots instead of x8 because graphics cards are heavy. And for retro-compatibility too..
     
  14. Evildead666

    Evildead666 Maha Guru

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    I suspect more for retrocompatibility than for the physical support. I dont know of any PCIe spec concerning weight on the socket.
    I'm sure there are ways of using a brace on the slot, as has been done before on some very heavy cards.

    I suppose we could have a x16 slot up top,and x8 or x4 all below ?
    no more x1 slots would be lovely.
     
  15. Alessio1989

    Alessio1989 Maha Guru

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    x1 slots are cheap and more than enough for most of expansion cards sold (usb/ethernet/raid/audio/tv/acquisition etc..) and do not take much space.
    Most of graphics cards need the x16 slot for the weight distribution, and no, putting some aluminium foil around the slots doesn't make them more strong, in the best case is just a useless emi-shield... While x4 slots are usefull for some expensive SSD cards, they are pretty useless for most devices... Giving x16 or (x8 slots in a physical x16) also is needed for all those people that do not change the entire system every 3-4 years but simply upgrade the graphics card.
    If there is something that 202x MB need to rid of, there are tons of useless '90/2000 I/Os like PS2, DVI, COM etc...
     

  16. schmidtbag

    schmidtbag Ancient Guru

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    I think it's worth pointing out that a PCIe 5.0 x1 slot has the same amount of bandwidth as a 1.0 x16 slot. To me, the x1 devices are the only ones that'll be of any real interest.
    5.0 I suspect is going to live a very long time, like 3.0 did. I don't think we're going to need to replace it for a very long time, especially if x16 slots continue to exist at that point (I don't think they should).
     
  17. sverek

    sverek Ancient Guru

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    Gotta have RAID1 x 8 SSD at whooping 1TB/sec.
     
  18. tsunami231

    tsunami231 Ancient Guru

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    um 4 is not even out to the masses yet? and 5 is now released?
     
  19. illrigger

    illrigger Member Guru

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    PCIe 4.0 was announced (the same thing that's being done here) on Oct 2017, PCIe 5 in Jan 2018. Expect it to take another couple of years at least for someone to implement it, and for it to be SUPER expensive. PCIe 4 necessitated going from a 6 to an 8 layer motherboard, and draws up to 15W to use (the chipset on x570 is essentially a low end CPU itself). PCIe 5 is twice as fast, so expect a suitably higher difficulty and a suitably higher power draw to implement.
     
  20. Venix

    Venix Master Guru

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    if i am not mistaken you can literally chop a 16card connection to fit on 1x slot with out problems although it will work on just 1x .... or better yet chop a slit on the connector so the rest of the connector can hang out and it will still work .... i am like 95% sure that this works ...if i am wrong feel free to correct me everyone !

    p.s. obviously not recommended!
     

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