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no_alone (OP)
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June 08, 2011, 12:00:16 PM
 #1
Hello I have 3 pcs and 3 PSU...
Corsair CMPSU-450VXEU Retail
SeaSonic S12II 520 Bronze 520W

and I'm planning to buy a
SeaSonic S12II-620 620Watt 80Plus Bronze

I have 7 cards.
6 5850
1 5750

Will it run?

1 5850 and 1 5750 on the 450W

2 5850 on the 520W

and 3 5850 on the 620W

What do you say?

Haa and what is the different between 2x4pin molex to pci and 1x4pin molex to pci ?
Mine only when pc is IDLE totally indivisible...
http://forum.bitcoin.org/index.php?topic=9851.0
Mine on family computer without disturbing them

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Ixipixi
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June 08, 2011, 12:11:34 PM
Last edit: June 08, 2011, 12:32:28 PM by Ixipixi
 #2
I don't think that 520W PSU can handle 2x 5850, since it takes ~350W per card.

Crossfiring them adds +~180W. Dunno about running them both single. Same applies to the 450W and 620W PSU..

Edit: Read ahead to see that this post was actually a brainfart.
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June 08, 2011, 12:28:57 PM
 #3
Quote from: Ixipixi on June 08, 2011, 12:11:34 PM
I don't think that 520W PSU can handle 2x 5850, since it takes ~350W per card.

Crossfiring them adds +~180W. Dunno about running them both single. Same applies to the 450W and 620W PSU..
http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-5000/hd-5850/Pages/ati-radeon-hd-5850-overview.aspx#2
150W, max
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Ixipixi
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June 08, 2011, 12:29:57 PM
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Ditch my earlier comment.

Based my assumptions on :

http://www.guru3d.com/article/radeon-hd-5850-review-crossfire/9

regarding the wattage, I misread the card itself using as much as the SYSTEM in that article.

Thanks Monoquark for correcting me.
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June 08, 2011, 12:30:34 PM
 #5
Quote from: Ixipixi on June 08, 2011, 12:11:34 PM
I don't think that 520W PSU can handle 2x 5850, since it takes ~350W per card.

Crossfiring them adds +~180W. Dunno about running them both single. Same applies to the 450W and 620W PSU..

lol, 5870 takes max 200W (180W TDP but overclocked probably a bit more so there's no problem running that.
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