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Gtx 580 - Page 3

post #21 of 48
Quote:
Originally Posted by Plex View Post
lol that thread is filled with people that have no idea what they're talking about.
Geeks/Techs always critique with each other negatively for some reason... How is the rail distribution on your HX1000? I thought of getting that PSU until I found out that it was two 500 watts split into two...
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post #22 of 48
Quote:
Originally Posted by SmasherBasher View Post
I disagree. ^

Overkill, for one.
$150 for a 900W PSU that is non-modular, for two.

There are better options.
Edited by Plex - 5/6/11 at 11:22am
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post #23 of 48
Get an 850w from either Seasonic, Corsair, or a high end Antec.

Will give more headroom for fans, hdd's, and higher OC's.
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post #24 of 48
Quote:
Originally Posted by Chris13002 View Post
Geeks/Techs always critique with each other negatively for some reason... How is the rail distribution on your HX1000? I thought of getting that PSU until I found out that it was two 500 watts split into two...
I'm not "critiquing negatively." I'm pointing out blanket false information. Kind of like the stuff you keep spewing. I really wish this thread was posted in the PSU forum instead so our PSU gurus could tear it apart.
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post #25 of 48
Quote:
Originally Posted by Plex View Post
I'm not "critiquing negatively." I'm pointing out blanket false information. Kind of like the stuff you keep spewing. I really wish this thread was posted in the PSU forum instead so our PSU gurus could tear it apart.
I love these forums and you still didn't answer my question about your PSU. Anyways, aren't these forums for users opinions and personal experiences? Not about "tearing it apart"....

TAr, 750 watt seems to be the line for these cards, so like stated previously, it's the line between a high quality PSU(which mines might have been failing...)
I would personally pay the $30 more for 100 more watts or so...
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post #26 of 48
no its not, u could prob get by with a stock cpu and underclocked cards, but if u want to overclock or run them u will want 850-900
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post #27 of 48
Guru3D was able to get their test system to pull 719W from the wall outlet with two GTX 580s in this system (source). So if I assume 85% efficiency during this power draw, then that would mean that the system pulled about 611W from the power supply.

So if I add 150W for the CPU and other goodies, then that means we could be looking at about 760W of power being pulled from the power supply under the highest loads when both the CPU and the GTX 580s are under full load at the same time.

If I assume about 80% efficiency, then that would mean the system pulled about 575W from the power supply which would be about 725W after adding the 150W.

On the other hand, if I assume 90% efficiency, then that would mean that the system pulled about 647W from the PSU which would be about 797W after adding that 150W.

So a quality 750W power supply is the minimum, but I would go with a quality 850W power supply just in case you get the urge to overclock.
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post #28 of 48
Quote:
Originally Posted by Chris13002 View Post
I love these forums and you still didn't answer my question about your PSU.
What about my PSU? It's great. Super high quality, ultra clean power, plenty of juice and VERY cool. Are you just trying to troll or could you not have Google'd that information for yourself?

http://www.jonnyguru.com/modules.php...Story2&reid=89

There's all you need to know about the rails on page 3, from a highly reputable PSU source. Have at it.
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post #29 of 48
Can we focus on TAr's question?
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post #30 of 48
Quote:
Originally Posted by TwoCables View Post
Can we focus on TAr's question?
Agreed, seriously.

Like I said in the first response of the thread and like TwoCables just said a post or two ago (he's one of our PSU gurus): get a high quality 850W unit.
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