Gigabyte MZ30-AR0 offers AMD EPYC 7000 Server Motherboard - has 16 DIMM slots

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Jun 22, 2017.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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  2. BLEH!

    BLEH! Ancient Guru

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    I wander if we'll see any dual socket workstation boards... :p
     
  3. rl66

    rl66 Ancient Guru

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    i admit... never enought ram..
     
  4. VMBeast

    VMBeast Member

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    going to cost between 499 -699 USD a pop
     

  5. schmidtbag

    schmidtbag Ancient Guru

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    We will - Supermicro already has product pages for them.

    What I really don't understand is why so many of these boards use PCIe x8 slots. These CPUs have more PCIe lanes than anyone could possibly saturate on a single PC, and yet they're using x8 slots as though there's not enough for more.
     
  6. rl66

    rl66 Ancient Guru

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    2 reasons:

    -M2 use PCIe lane
    -99% of the pro PCIe card are only wired in x8
     
  7. schmidtbag

    schmidtbag Ancient Guru

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    Counter points:
    1. All Epycs have 128 PCIe lanes. Are you really telling me a few M.2 slots are going to soak up 32 PCIe lanes? Even Threadripper could handle a few M.2 slots while having 6 total x16 PCIe slots.
    2. GPUs dedicated to server tasks use fewer lanes because they don't need much bandwidth. When it comes to a server with this many CPU cores, GPUs aren't a big priority, either. The slots are more likely going to be used for things like 10Gbps+ NICs and more beefy SSDs.
    3. There's a possibility the chipset offers even more PCIe (2.0) lanes, or at least more room for storage devices.
    EDIT:
    4. Even dual-socket boards seem to be using x8 slots. If you thought 128 lanes was a lot, 256 is mind-boggling. Keep in mind the CPU itself is providing these lanes, not the chipset.
     
    Last edited: Jun 22, 2017
  8. Exascale

    Exascale Banned

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  9. VMBeast

    VMBeast Member

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    its not uncommon if let say for bitcoin mining require that many pcie slots, 6 tesla card for folding maybe or just multiusers running remote 3D applications or just datacenter supplying 3D juice to hundreds of virtual machines.

    look at Supermicro X9DRX+-F motherboard for example, x10 pcie slot x8.

    i heard most pcie hardwares not going to max out the x8 bandwidth, but this unconfirmed.
     
  10. Fox2232

    Fox2232 Ancient Guru

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    That would be lovely considering all those full bandwidth slots and RSA-like chip on board.

    Btw. High end gaming MBs do not deliver even 1/3rd of value this does and they still cost like $400.

    Edit: And I admit that I was looking at those images for good 5 minutes.
     

  11. schmidtbag

    schmidtbag Ancient Guru

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    I think you misunderstood - I'm saying they're not using enough PCIe slots or lanes; there's so much more the CPU has to offer. I was expecting boards like the one you linked to to be released.

    And yes, most PCIe hardware won't max out x8 bandwidth, but my point is the CPU offers enough lanes for x16 so why not offer it anyway?
     
    Last edited: Jun 22, 2017
  12. VMBeast

    VMBeast Member

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    oh i am sorry, it must be those motherboard power limitation, x16 will draw up to 75 watts from pcie slot, so it must be lower than that, maybe 25w each slot. If each slot draw 75 watts its going to consume at least 600w for motherboard alone.
     
  13. schmidtbag

    schmidtbag Ancient Guru

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    Hmm, that's a valid point. On the other hand, server boards have the freedom of using uncommon power distribution, and some that use proprietary connectors. The fact many of these boards require 2x 4+4 pin CPU power connectors means you're already going to need a specialized PSU anyway.
     
  14. MM10X

    MM10X Ancient Guru

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    I want to see what the 4-socket boards can do...


    Hoping the cost of 64GB DDR4 modules is lower than DDR3...
     
  15. msroadkill612

    msroadkill612 Active Member

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    I want to see what the 4-socket boards can do...

    epyc 2p will compete with many 4p intels.
     

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