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Thread: ATX v2.0 compliant PSU

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    ATX v2.0 compliant PSU

    Sorry if this is a stupid question but if I get a 939 SLI motherboard do I need ot have a ATX v2.0 compliant PSU?

    ON www.overclockers.co.uk all the Asus SLI board say ATX v2.0 compliant psu required but the others e.g. the DFI do not.

    I ahve an Antec 430W PSU and do not realley want to replace it.
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    Q6600 G0, Thermalright Ultra 120, ABIT IP35 PRO, 4GB Corsair DDR2, Trusty old Tagan 480u, BFG 8800 GTS 512, Samsung F1 750 GB.

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    mate dont quote me on this but i think the 2.0 standard is the norma these days as btx is what intel is pushing us towards next ....

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    The ASUS SLi boards require the new 24-pin connector yes. However you can just use a 20-pin to 24-pin convertor and a normal ATX PSU.

    I have a Nexus 400W Real Silent PSU and 20-pin to 24-pin adaptor awaiting my A8N-SLi

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    Quote Originally Posted by mattjgalloway
    The ASUS SLi boards require the new 24-pin connector yes. However you can just use a 20-pin to 24-pin convertor and a normal ATX PSU.

    I have a Nexus 400W Real Silent PSU and 20-pin to 24-pin adaptor awaiting my A8N-SLi
    Is the adapter safe?
    Specs:

    Q6600 G0, Thermalright Ultra 120, ABIT IP35 PRO, 4GB Corsair DDR2, Trusty old Tagan 480u, BFG 8800 GTS 512, Samsung F1 750 GB.

    "Only two things are infinite, the universe and human stupidity, and I'm not sure about the former."

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    As far as I know.

    That PSU and adapter combo was recommended to me personally by someone who works at Nexus. BTW they are a really good make of PSUs. They look good and they perform awesomely.

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    Don't you just plug the 20pin cable in and not use the 4 left (making sure you plug it in right, of course) ?
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    Quote Originally Posted by mattjgalloway
    The ASUS SLi boards require the new 24-pin connector yes. However you can just use a 20-pin to 24-pin convertor and a normal ATX PSU.

    I have a Nexus 400W Real Silent PSU and 20-pin to 24-pin adaptor awaiting my A8N-SLi
    Actually no you don't. The ASUS SLI mb, despite having a 24-pin power adaptor, does not require it. You can still use your good ol' 20-pin PSUs.
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    Let me get this straight

    So let me get this straight do all 939 Sli boards have the 24 pin connector or is it just the Asus. What about the new DFI AMD board?
    Specs:

    Q6600 G0, Thermalright Ultra 120, ABIT IP35 PRO, 4GB Corsair DDR2, Trusty old Tagan 480u, BFG 8800 GTS 512, Samsung F1 750 GB.

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    Quote Originally Posted by Rod911
    Actually no you don't. The ASUS SLI mb, despite having a 24-pin power adaptor, does not require it. You can still use your good ol' 20-pin PSUs.
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    Quote Originally Posted by grand_witch
    So let me get this straight do all 939 Sli boards have the 24 pin connector or is it just the Asus. What about the new DFI AMD board?
    I think that's the trend. The MSI and DFI SLi mb are coming out with 24 pin headers. I know the former allows the use of a 20 pin connector, but don't know whether the DFI will allow you to use your old PSU.
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    The boards which have the 24-pin can use a 20-pin connector yes, but using a 20-pin to 24-pin adapter just makes sure you don't plug it in wrong or something. It cost me a couple of quid, so worthwhile if you ask me.

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    Quote Originally Posted by mattjgalloway
    The boards which have the 24-pin can use a 20-pin connector yes, but using a 20-pin to 24-pin adapter just makes sure you don't plug it in wrong or something. It cost me a couple of quid, so worthwhile if you ask me.
    You can't anyway - the pins are keyed (some are different shapes to others). Same thing for the existing 20 pin plug.

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    if you want to splash the cash on a new psu then go for a tagan 480w

    its 24pin atx 2.0 and is the best psu around atm

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    Ah yeh, true.

    Dunno why the 24-pin adapter is good then, but I was recommended it and as I say, couple of quid, why not. Looking at the adapter it seems that it has two extra 12v and 0v rails for the extra 4 pins.

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    Is the only difference in ATX v2.0 the extra 4 sockets on the main power connector? OCUK have the following commented about a mother board:

    "ATX v2.0 compliant PSU Required for PCI-E Graphics/Motherboard"

    Now the mother board in question, is not even equipped with PCI-E, so wtf?


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    My gigabyte SLI board came with the extra 4 pins in the 24-pin socket capped with a plastic cover. The manual says you can run with 20-pin or remove the cap and use a 24-pin (what I did). Looks like any sli board will probably run fine with a 20-pin.

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