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GTX 590 on a 620W PSU? - Page 2

post #11 of 33
I'm pretty sure no one knows yet how much power the 590 will consume, so this thread is too early.
     
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post #12 of 33
GTX 590 will probably run $500+....is investing in a better power supply worth it? Probably......is it required...not necessarily....but it would be recommended.
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post #13 of 33
Quote:
Originally Posted by Behemoth777;12355230 
I'm pretty sure no one knows yet how much power the 590 will consume, so this thread is too early.

True. But we can speculate(ish) based on existing information.
Quote:
Originally Posted by BadApathy;12355255 
GTX 590 will probably run $500+....is investing in a better power supply worth it? Probably......is it required...not necessarily....but it would be recommended.

Im betting its going to be $700+
I really wouldn't be surprised if its somewhere around $1200.
And I would agree, Even if the 620w is strong enough I would still recommend getting a bigger one on general principals.
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post #14 of 33
Quote:
Originally Posted by PhilWrir;12355187 
HA.
Now I feel like a moron.
Thanks Pioneer. biggrin.gif

I still struggle to believe a 620 watt PSU could handle a 590 though.

No reason to feel like a "moron", just need to read the fine print on those reviews, and know what is obviously not the right power ratings wink.gif.

GT240 = single slot, low power card. It takes no external power hook ups at all. The PCIe slot can only put out 75w at most. So the GT240 in turn CANNOT draw more than 75w, period.

But again, since we have no idea what the GTX590 will draw, its too early to be asking this question. If its around 300-320w, then you'll be fine with your 620. If its more than that, it'll be FAR too much of a stretch.

Keep in mind, the HD5970 can draw 350w or more when overclocked, just on its own. I want to say it can draw 400w, but that might not be accurate, as I never really payed that much attention.

If the GTX590 pulls the same or less than dual GTX460's, then you'll be safe. If it pulls more than dual 460's...then you can't do it safely on the 620w you have.
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post #15 of 33
Thread Starter 
I don't think nvidia has the balls to go over 300W on a card. They'll leave it up to the individual manufacturer to boost it over that for overclocked versions. I've been loyal to them forever because of their linux drivers back in the day but they've been too timid to push the boundaries for the last 5 or so years.

The thing I cannot lose no matter what is my raid array. its 4tb full and has irreplaceable photos, videos, docs... etc.

I've thought about getting a NAS to back it up but have the most important stuff on a few external drives right now.

I've seen so many people way overdo power supplies and go for a cheap one instead of quality. I've always tried to leave at least a 100W buffer over my full system load.

With my system only sucking 420W right now I don't think the 590 will be an extra 200W over the 275 but it might be. It might be pushing it.

I've also heard people say that 620W is the constant output, not peak, but this is the internet so...

I might just ease it in to full load while I'm monitoring my full system power usage and limit myself to 500W or something.
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post #16 of 33
Quote:
Originally Posted by PhilWrir;12355307 
True. But we can speculate(ish) based on existing information.

Speculation means nothing.

OP, wait till the card actually comes out, then ask this question.
     
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post #17 of 33
Quote:
Originally Posted by pioneerisloud;12355328 
No reason to feel like a "moron", just need to read the fine print on those reviews, and know what is obviously not the right power ratings wink.gif.

GT240 = single slot, low power card. It takes no external power hook ups at all. The PCIe slot can only put out 75w at most. So the GT240 in turn CANNOT draw more than 75w, period.

Figures I would forget the fact that it had no external power connectors...redface.gif

And the fact that the 5970 can pull 350w is kind of what im going off of.
Fermi cores draw a lot of power and give a lot of performance. If the 5970 is 2 5870 cores and it draws 350+/- when Overclocked I feel its safe to assume a Fermi dual chip will draw more than that.
Even with the downclock and refinement I still struggle to see a 590 pulling less than 350 overclocked.
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post #18 of 33
Maybe, maybe not. We need to see what the power consumption characteristics of a GTX590 are first.
post #19 of 33
Quote:
Originally Posted by remer;12355385 
I don't think nvidia has the balls to go over 300W on a card. They'll leave it up to the individual manufacturer to boost it over that for overclocked versions. I've been loyal to them forever because of their linux drivers back in the day but they've been too timid to push the boundaries for the last 5 or so years.

The thing I cannot lose no matter what is my raid array. its 4tb full and has irreplaceable photos, videos, docs... etc.

I've thought about getting a NAS to back it up but have the most important stuff on a few external drives right now.

I've seen so many people way overdo power supplies and go for a cheap one instead of quality. I've always tried to leave at least a 100W buffer over my full system load.

With my system only sucking 420W right now I don't think the 590 will be an extra 200W over the 275 but it might be. It might be pushing it.

I've also heard people say that 620W is the constant output, not peak, but this is the internet so...

I might just ease it in to full load while I'm monitoring my full system power usage and limit myself to 500W or something.

Your current 620w is a solid 620w CONTINUOUS power supply. But I wouldn't try to pull any more than say 600w from it, even under peak conditions (furmark + prime95 load). It would handle SLI'd 460's. But anything more than that, will be a stretch on it. So like I said, as long as the 590 pulls the same or less than SLI'd 460's, you're fine wink.gif.
Quote:
Originally Posted by Behemoth777;12355421 
Speculation means nothing.

OP, wait till the card actually comes out, then ask this question.

This. We have absolutely NO idea what the 590 is going to require power wise. All we can do is guess from previous dual GPU cards. If its anything like the GTX295 / HD5970, then 620w will be a very tight squeeze.
Quote:
Originally Posted by PhilWrir;12355433 
Figures I would forget the fact that it had no external power connectors...redface.gif

And the fact that the 5970 can pull 350w is kind of what im going off of.
Fermi cores draw a lot of power and give a lot of performance. If the 5970 is 2 5870 cores and it draws 350+/- when Overclocked I feel its safe to assume a Fermi dual chip will draw more than that.
Even with the downclock and refinement I still struggle to see a 590 pulling less than 350 overclocked.

Another thing to consider, is that it can only pull 75w from the PCIe lane. And up to 150w per power plug (I want to say 175w from 8pin, 150w from 6pin?). So if they use dual 8pin, that gives us up to 425w power draw peak...if my numbers are right.
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post #20 of 33
Thread Starter 
It would be badass if it had its own power supply that plugged into the back of the case and a fat cooler that hung out the back. That would solve the power and cooling problems but it would never happen.

I agree that we wont actually know what the power consumption will be until it comes out (if it comes out) but I can't see the stock design going much over 300W.

I'll probably end up moving over to a full atx board at the end of this year when intel releases their socket 1366 replacement. I'll be using the GTX 275 and 590 for folding (and battlefield 3). At that point I'll definitely have to upgrade my psu. I could upgrade with the 590 and overclock the hell out of it.

Oh, decisions....
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