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Seasonic X650 for i7 970 + 6970 CFX - Page 4

post #31 of 38
Quote:
Originally Posted by wumpus View Post
try and see if it explodes. if it does we know its not possible to run crossfire 6950's and a hexacore on a 650W PSU.....
Yeah I don't think it's possible but would like to know for sure what happens
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post #32 of 38
Quote:
Originally Posted by aznofazns;12452968 
Okay guys... so I've upgraded to an unlocked 6950 with +20% PowerTune and a heavy overclock. When I fold and run Furmark Xtreme Burning Mode simultaneously, my kill-a-watt reports about 650W of consumption. Multiply that by the ~90% efficiency of my PSU at that level and I get 585W of DC output.

Is my X650 going to be able to handle a 2nd unlocked 6950? I know it's capable of pushing 780W, but a 2nd graphics card would push the load even beyond that. Possibly 850-900W. What I'm really interested in is something like a 140% overload test on the X650 to see just how far it can go above its rating. I recall it handling the 120% overload test without breaking a sweat (still well over 80% efficiency).

Wow that is quite an impressive overclock, I must say that is a higher load than I would of guessed you would be seeing. Sounds like you would be seeing the ~800w draw during furmark and folding. If you could, would you mind posting the power draw from the wall during only folding and one only during gaming? At the very worst you would have to draw back the powertune settings or the overclock.


And to the posters before me, it doesn't really seem to be the time for happy smiley faces.
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post #33 of 38
Should be good, running i950 + 5870 with loads of room to spare!
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post #34 of 38
Thread Starter 
Quote:
Originally Posted by lolreject View Post
Wow that is quite an impressive overclock, I must say that is a higher load than I would of guessed you would be seeing. Sounds like you would be seeing the ~800w draw during furmark and folding. If you could, would you mind posting the power draw from the wall during only folding and one only during gaming? At the very worst you would have to draw back the powertune settings or the overclock.


And to the posters before me, it doesn't really seem to be the time for happy smiley faces.
Power draw while folding on my CPU is around 375-380W. That's with my graphics card running at 500/950 with 1.000v on the GPU.

With everything idle and still 500/950, it consumes about 215-220W.

With only Furmark running with graphics card at 920/1450 and 1.250v, it consumes 475-480W.


Quote:
Originally Posted by Reflux View Post
Should be good, running i950 + 5870 with loads of room to spare!
That doesn't really help since you're running a quad i7 and a single, more power-friendly graphics card...
Edited by aznofazns - 2/20/11 at 12:00pm
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post #35 of 38
Quote:
Originally Posted by aznofazns View Post


You make me a sad, sad panda.
OCP should come into play if it cant handle it, its not like your stuff is going to die or anything.....I mean really
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post #36 of 38
Thread Starter 
Quote:
Originally Posted by wumpus View Post
OCP should come into play if it cant handle it, its not like your stuff is going to die or anything.....I mean really
I guess I could give it a shot when I can afford a 2nd 6950...
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LianLith
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post #37 of 38
Quote:
Originally Posted by aznofazns;12458481 
Power draw while folding on my CPU is around 375-380W. That's with my graphics card running at 500/950 with 1.000v on the GPU.

With everything idle and still 500/950, it consumes about 215-220W.

With only Furmark running with graphics card at 920/1450 and 1.250v, it consumes 475-480W.

There we are, those loads seem a bit less extreme and what we might see in actual use. I would say it can definitely can handle the second card for all the uses you need possibly with the exception of furmark and folding at the same time.

Keep us updated sometime!
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Lian on Lian
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post #38 of 38
I'm surprised I can have a 4Ghz overclock, a 480 clocked somewhat high, and a 450 coupled with all the other crap in my case powered by this PSU. Should be good to go, <3 SeaSonic.
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