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Thread: Motherboards with a 8x PCI Express slot

  1. #1
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    Question Motherboards with a 8x PCI Express slot

    Can anyone name either Intel/Amd motherboards that have a 8x PCI Express slot & also 64bit PC slots?

    Or just the 8x Slot will do?

    Thanks

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    Why would you need a 8x PCI-E slot, won't a 16x slot do? With SLI mobos, if you have 2 gfx cards fitted in SLI mode, both 16x PCI-E slots become 8x slots.

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    • madman045's system
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    Because of an additional PCI express SCSI raid card that supports an 8x slot

    If it will work in a 16x at 8x then fine, but I didnt want it to effect the graphics card bandwidth...

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    YUKIKAZE arthurleung's Avatar
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    Foxconn got Dual 16x (real 2x16) board, supermicro got H8DCE, Iwill got DK8ES(EW?), Tyan got S2895. There are quite a lot of choices, but those I listed are all opteron solutions.

    Why do you need ultra-fast gpu (which you believe to be using >8x bandwidth) on a presumably fileserver/db server?
    Workstation 1: Intel i7 950 @ 3.8Ghz / X58 / 12GB DDR3-1600 / HD4870 512MB / Antec P180
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    • madman045's system
      • Motherboard:
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      • CPU:
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      • Not enough!
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    Well its going to be in my main server & hosting several vmware machines, but its either that or an 8 port sata raid card, which is pci-x 133mhz spec card, a few hdds in a stacker...

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    YUKIKAZE arthurleung's Avatar
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    • arthurleung's system
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    Quote Originally Posted by madman045
    Well its going to be in my main server & hosting several vmware machines, but its either that or an 8 port sata raid card, which is pci-x 133mhz spec card, a few hdds in a stacker...
    Now I even question why you'll even need a PCIe card
    May be you should just buy the old Tyan S2882, coz PCIe/X hybrid boards are damn expensive.

    May be an Areca ARC-1220 will be suitable for your purpose?
    #1 8x slot = SCSI RAID
    #2 8x slot = SATA RAID
    #3,4 1x slot = extra GbE NIC
    #5 = PCI VGA card
    Could use onboard RAID1 for system disks?
    Workstation 1: Intel i7 950 @ 3.8Ghz / X58 / 12GB DDR3-1600 / HD4870 512MB / Antec P180
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    HTPC: AMD Athlon X4 620 @ 2.6Ghz / 780G / 4GB DDR2-1000 / Antec Mini P180 White
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    Storage: 8x2TB Hitachi @ DELL PERC 6/i RAID6 / 13TB Non-RAID Across 12 HDDs
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  7. #7
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    • madman045's system
      • Motherboard:
      • P9X79 Pro
      • CPU:
      • I7-3820
      • Memory:
      • 32GB
      • Storage:
      • Not enough!
      • Graphics card(s):
      • HD7970
      • PSU:
      • 850w Corsair
      • Case:
      • Corsair Carbide 300R
      • Operating System:
      • Win 7 Ultimate X64
      • Monitor(s):
      • Dell U2713HM & 2007WFP
      • Internet:
      • Plusnet FTTC - 30mbit/7mbit
    £520 for the Areca :O

    I can get a Broadcom BC4852 8 port SATA RAID card, Dell PERC 4e/DC PCI Express SCSI RAID Controller or a LSI Logic MegaRAID SCSI 320-2E - PCI-X 8 for £200 each

    Even an OEM Adaptec 39320-R Ultra 320 SCSI RAID 0/1 Card is £65

    but as you have mentioned, motherboard choice is the hard part, Opteron boards are around £300 for decent ones, where as Xeons ones are from £100-£200, can get a pair of Xeons for £150...

    Decisions....

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