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Does Ultra x4 1050w PSU have enough Amps to run 3 x 5870's?

Forum Graphic & Displays : Graphics Cards - Does Ultra x4 1050w PSU have enough Amps to run 3 x 5870's?

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logitic   10-31-2009 at 07:44:55 AM

I love Ultra's modular design.

http://www.tigerdirect.com/applica [...] &CatId=106

Has 76 amps on a single 12v, to me that's a ton. But I don't know what the bare minimum should be for triple crossfire.

Thanks for the help. :)

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cyberkuberiah   10-31-2009 at 08:10:27 AM

yes . dual 5870 needs 650w , so you have enough amps on 1050w . and yes , ultra's modular design is convenient .

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rescawen   10-31-2009 at 08:13:41 AM

I'd rather go with triple 5850 if i wanna go that hardcore cauz 3 5870s is a little overkill.

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cyberkuberiah   10-31-2009 at 10:46:26 AM

rescawen wrote :

I'd rather go with triple 5850 if i wanna go that hardcore cauz 3 5870s is a little overkill.



+1 for a cool suggestion , if you havent bought any card yet .

Reply to cyberkuberiah
crosko42   10-31-2009 at 11:32:01 AM

Nothing is ever "overkill", OP will just be ahead of the game when the next crysis-like title comes out that needs the power of all 3 to be maxed out.

OT: It should be enough.

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Mulder19   10-31-2009 at 05:50:35 PM

Just make sure current games are really utilizing all 3 cards. If it is only a ~%25 performance boost, it seems hard to justify buying a third card at present prices. However, I don't know what kind of boost you could see. You can always add one later when the prices drop. If I were you, I would get two now and pop a third one in a year.

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Bluescreendeath   10-31-2009 at 06:03:15 PM

5870 has some scaling issues even in dual configuration. With triple 5870s, you probably won't notice any improvement whatsoever due to very early drivers.

And a single 5870 can basically max out any game except Crysis. Two 5870s can max out Crysis at any setting w/ AA at max. There is no point for 3x 5870s right now.

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logitic   10-31-2009 at 08:52:43 PM

Thanks guys for the help. I don't have the third card yet. Wasn't planning on buying one anytime soon. Just wanted my new PSU to be able to power a third one if I wanted to get one later. Like to order parts that are future proof and not kill my wallet. :)

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