b10010011
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join:2004-09-07
Bellingham, WA
 ·Comcast Formerly ..
1 edit | Is a 600W PS big enough for two 8800GTS cards?
My system is an AMD Athlon64 4200+ X2 socket 939
Pretty standard stuff DVD-RW SATA-HDD 2G OCZ PC3200 RAM
OCZ StealthXStream OCZ600SXS 600W PSU »www.newegg.com/Product/Product.a···17341010
I used to run two 6800GT's in SLI just fine. But I recently picked up a 8800GTS 320MB card cheap and still I see them all the time cheap on Craigslist. I am thinking about grabbing another one. |
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BA
The Old Man's Gonna Roll the Hard Six
Premium,MVM
join:2001-05-24
Vancouver, BC
clubs:  | It's plenty of power. |
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b10010011
Whats a Posting tag?
join:2004-09-07
Bellingham, WA | So you think its enough to run run two of these »www.newegg.com/Product/Product.a···14130410 |
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tempus45
join:2006-07-08
USA
1 edit | reply to b10010011
I would buy this just in case. You have to take in account that 8800 gts graphics card requires 26 amps per card now if your gonna run 2 that will double. This corsair psu has has 60 amps/single rail so it should work.
»www.newegg.com/Product/Product.a···17139006
whats your computer specs by the way? because if you have a quadcore, alot hard drives, a couple of dvd drives etc etc - it adds up. You might need an 800 watt psu.
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signmeuptoo
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join:2001-11-22
LOSTinSpace
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| reply to b10010011
Some OCZ supplies are FSP/Fortron built and won't be high end by any stretch of the meaning. When you run these FSP supplies the Ripple current values increase significantly and that can be detrimental to a mainboard and other parts.
With that said, 600 watts with the right power for the 12V rail(s) would work. Your system isn't a power hog anyways, unless it is a DFI mainboard, those are power hogs, I have one.
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BA
The Old Man's Gonna Roll the Hard Six
Premium,MVM
join:2001-05-24
Vancouver, BC
clubs:
| reply to b10010011
It should do it without breaking a sweat.
The 8800 GTS cards consume at most 130W each. When you SLI them, power consumption doesn't actually double because SLI isn't 100% efficient. But even if we assume it does, and your processor consumes about 100W, you're still well within the 580W limit (on the 12V rail) for your PSU. |
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jouno53
Palin 2012
join:2006-03-04
United State
·AT&T DSL Service
| reply to b10010011
While we're on the topic of the OCZ stealthXstream's power capabilities... could it run a 9800GTX+? I'm just wondering because although its combined amperage rating is 72 (18 amps per 12V rail), all of its PCIe connectors are on one of the +12V 18amp rails. The card mentioned requires 26 I think, which the PSU can achieve if the amps combine. I'm really confused here.
Sorry if this hijacks your topic, but I think this will answer questions for both of us. |
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BA
The Old Man's Gonna Roll the Hard Six
Premium,MVM
join:2001-05-24
Vancouver, BC
clubs:
| said by jouno53  :although its combined amperage rating is 72 (18 amps per 12V rail) The combined max. output for +12V is 48A for that PSU. If you look at the PSU label, it indicates 580W for four +12V "rails."
said by jouno53 :The card mentioned requires 26 I think, which the PSU can achieve if the amps combine. I'm really confused here. No card in the world requires 26A. That would be more than 300W. Wherever you got that 26A number, it probably refers to the entire system.
The 600W StealthXStream shouldn't have any issues running a pair of GTX+ cards. |
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Somnambul33t
L33t.
Premium
join:2002-12-05
Mullica Hill, NJ
clubs: | reply to b10010011
the 600w stealth could definitely power 3 8800GTs if they supported triSLI |
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jouno53
Palin 2012
join:2006-03-04
United State
·AT&T DSL Service
| reply to BA
said by BA :said by jouno53 :although its combined amperage rating is 72 (18 amps per 12V rail) The combined max. output for +12V is 48A for that PSU. If you look at the PSU label, it indicates 580W for four +12V "rails." said by jouno53 :The card mentioned requires 26 I think, which the PSU can achieve if the amps combine. I'm really confused here. No card in the world requires 26A. That would be more than 300W. Wherever you got that 26A number, it probably refers to the entire system. The 600W StealthXStream shouldn't have any issues running a pair of GTX+ cards. Thanks a lot, that clears up a lot of questions. |
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