Home-built Computers PSU SLi complient?

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Subject Author Date
PSU SLi complient? brother 11-06-07
Posted by brother on November 6, 2007, 4:53 pm
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Hi,

I know nothing of SLi configurations.

I have an old, but good PSU which was manufactured before the age of
SLi graphic cards. I am considering purchasing a ASUS M2N SLi Deluxe or
the ASUS M2N32 Deluxe motherboard, which would entail purchasing a PCI-E
graphics card (updating my AGP card).

Because I am only interested in photo editing etc, and not high end
definition games, and would only anticipate using one graphics card
installed in my pc. Would my old PSU suffice? or is there a connection
on the card which my PSU will not be able to use?

Thanks !!! in anticipation of your replies.

Posted by brother on November 7, 2007, 3:19 am
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brother wrote:

Sorry, I forgot to mention; my PSU is the
TAGAN 480W TG480-U01
It's specifications can be found here:

http://www.bytesizedreviews.com/?rev_id=210

Posted by Paul on November 7, 2007, 4:32 pm
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brother wrote:
> brother wrote:
>
> Sorry, I forgot to mention; my PSU is the
> TAGAN 480W TG480-U01
> It's specifications can be found here:
>
> http://www.bytesizedreviews.com/?rev_id=210

TAGAN 480W TG480-U01

+3.3V @ 28A, +5V @ 48A, +12V @ 28A,
-12V @ 1A, -5V @ 0.8A, +5VSB @ 2.5A
3.3/5V combined < 240W
3.3/5/12V combined < 460W
total < 480W

That is plenty of supply. You can even have
a decent video card (for gaming) if you wanted.
But for Photoshop, a 35W video card is fine.

The only thing you might need at some future
date, is an adapter to go from a couple
Molex connectors, to make a PCI Express 2x3
connector. But only if your video card happens
to need it. A 35W video card should not need a
connector on the end - this is an example of a
PCI Express without power on the end.

http://images10.newegg.com/NeweggImage/productimage/14-127-308-05.jpg

This is an example of a card with a PCI Express 2x3 on the end.

http://images10.newegg.com/NeweggImage/productimage/14-130-086-04.jpg

The Molex to PCI Express 2x3 cable on the right here, is an adapter
included with the video card in the last picture. The two dongles in
the middle of this picture, are adapters for converting from DVI-I to
VGA (15 pin traditional video card connector).

http://images10.newegg.com/NeweggImage/productimage/14-130-086-06.jpg

Paul

Posted by brother on November 7, 2007, 5:03 am
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Paul wrote:
> brother wrote:
>> brother wrote:
>>
>> Sorry, I forgot to mention; my PSU is the
>> TAGAN 480W TG480-U01
>> It's specifications can be found here:
>>
>> http://www.bytesizedreviews.com/?rev_id=210
>
> TAGAN 480W TG480-U01
>
> +3.3V @ 28A, +5V @ 48A, +12V @ 28A,
> -12V @ 1A, -5V @ 0.8A, +5VSB @ 2.5A
> 3.3/5V combined < 240W
> 3.3/5/12V combined < 460W
> total < 480W
>
> That is plenty of supply. You can even have
> a decent video card (for gaming) if you wanted.
> But for Photoshop, a 35W video card is fine.
>
> The only thing you might need at some future
> date, is an adapter to go from a couple
> Molex connectors, to make a PCI Express 2x3
> connector. But only if your video card happens
> to need it. A 35W video card should not need a
> connector on the end - this is an example of a
> PCI Express without power on the end.
>
> http://images10.newegg.com/NeweggImage/productimage/14-127-308-05.jpg
>
> This is an example of a card with a PCI Express 2x3 on the end.
>
> http://images10.newegg.com/NeweggImage/productimage/14-130-086-04.jpg
>
> The Molex to PCI Express 2x3 cable on the right here, is an adapter
> included with the video card in the last picture. The two dongles in
> the middle of this picture, are adapters for converting from DVI-I to
> VGA (15 pin traditional video card connector).
>
> http://images10.newegg.com/NeweggImage/productimage/14-130-086-06.jpg
>
> Paul

Thanks Paul !
Everything is clearer to me now. I didn't now about the connectors on
the PCI-E cards.

Posted by kony on November 7, 2007, 3:50 am
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On Tue, 06 Nov 2007 21:53:36 +0000, brother

>Hi,
>
> I know nothing of SLi configurations.
>
> I have an old, but good PSU which was manufactured before the age of
>SLi graphic cards.

Knowing more about it might be really important (or might
not, keep reading).




>I am considering purchasing a ASUS M2N SLi Deluxe or
>the ASUS M2N32 Deluxe motherboard, which would entail purchasing a PCI-E
>graphics card (updating my AGP card).
>
>Because I am only interested in photo editing etc,

What's "etc" mean? Photo editing needs nothing special,
even integrated (lowest end) video would suffice, as-in, be
100% functional only having slightly lower memory bandwidth.


>and not high end
>definition games, and would only anticipate using one graphics card
>installed in my pc. Would my old PSU suffice? or is there a connection
>on the card which my PSU will not be able to use?

Whether your present PSU is capable of the new system has
little to nothing to do with your video card "needs", only
which card you choose, since you don't need nor would
benefit from a higher-end card optimized for gaming and as
such, uses more power towards that end.

Generally speaking, we'd need to know brand, model, 12V
current rating of your present PSU, and a list of all the
currently anticipated components in the new built. A ball
park number for a new system would be to have at least 18A
on 12V rail if a single rail PSU, or at least ~28A if a
pseudo-split rail design.

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PSU SLi complient? November 6, 2007, 4:53 pm