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Thread: Asus X99M WS

  1. #1
    King of the Juice Platinum's Avatar
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    Asus X99M WS

    So this looks perfect for my downscale to MATX plans, just wondered if anyone was able to answer me a question around it though.

    Its got 3x aux power connections, 2 8 pin and a 6 pin.

    I have seen boards with 2x 8 pin before but never come across a 6 pin aux connector? wouldn't just take a PCI-E connector would it?, my current PSU only supports a single 8 pin cable so I am guessing a new PSU would be in order? (TBH been looking at replacing it with something quieter for a while)
    Salazaar : <Touching wood as I write this...>


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    Senior Member kalniel's Avatar
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    Re: Asus X99M WS

    Yes it's PCI-E. 2nd EPS connector is usually optional.

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    Re: Asus X99M WS

    Ah ok I thought that might be the case but the manual wasn't clear, cheers might have a look at this then, guess the second 8 pin is there for stability rather than overclocking with it being a WS board, someone might stick a 18 core chip in

    Only downside to it is the M.2 slot is PCI-E 2.0 rather than 3.0 but I have my eye on a 400gb Intel 750 drive anyhow so may not be a big deal.

    Thoughts on why the 6 pin connector is there? GPU's should get power from the connectors on the card anyhow?
    Salazaar : <Touching wood as I write this...>


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    Senior Member kalniel's Avatar
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    Re: Asus X99M WS

    I think again it's just more juice to the PCI-E slots - add-in storage or WS level GPU/compute cards may not have power connectors.
    Last edited by kalniel; 13-08-2015 at 08:28 PM.

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    Not a good person scaryjim's Avatar
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    Re: Asus X99M WS

    I had an MSI board that similarly had a 6 pin PCIe connector to supply extra power to the PCIe slots - I guess it just reduces the load on the main 24 pin connector and the motherboard traces. 225W coursing through the mobo probably generates a fair amount of heat: if some of that can be sourced closer to the delivery point it makes a certain amount of sense...

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    Re: Asus X99M WS

    Quote Originally Posted by scaryjim View Post
    I guess it just reduces the load on the ... motherboard traces.
    That's a interesting theory and seems plausible. The 24-pin connector and a pair of 8-pins are capable of delivering circa 800W so it's certainly unlikely to be any power shortage (PCI-E 16x slots are 75W each, 8x and below are only supposed to draw 25W maximum, but the power pins are identical).

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    Re: Asus X99M WS

    Interested to see power draw of the board when the reviews come out with that many power connectors
    Salazaar : <Touching wood as I write this...>


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    Re: Asus X99M WS

    Quote Originally Posted by EndlessWaves View Post
    ... PCI-E 16x slots are 75W each, 8x and below are only supposed to draw 25W maximum ...
    I thought that applied to cards rather than slots, So an x16 card can request the full 75W regardless of what slot it's in? Certainly I'd expect a mechanical x16 slot to push the full 75w regardless of the electrical connection, as it's capabale of taking 75W cards....

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    Senior Member kalniel's Avatar
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    Re: Asus X99M WS

    Quote Originally Posted by Platinum View Post
    Interested to see power draw of the board when the reviews come out with that many power connectors
    The extra power is drawn by the add-in components, not the board, so it shouldn't be much different to the normal boards. If you don't have a thirsty compute card hanging off PCI-E then the extra power isn't used.

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    Re: Asus X99M WS

    Quote Originally Posted by scaryjim View Post
    I thought that applied to cards rather than slots, So an x16 card can request the full 75W regardless of what slot it's in? Certainly I'd expect a mechanical x16 slot to push the full 75w regardless of the electrical connection, as it's capabale of taking 75W cards....
    I'm not sure but they're equivalent anyway (mechanical slot sizes, obviously electrical/data connector sizes aren't).

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