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A HX650watt Corsair PSU enough for GTX 590?

post #1 of 23
Thread Starter 
I'm planning to upgrade from a 5870 to a 590 this July. However, upgrading to another PSU might keep me from doing just that.

I have seen values which show that the 590 draws 500+ watts at load, but I would like the forums' opinion.

Will a Corsair HX650watt PSU be enough for a 590 on a 930 @ 4.1ghz?
Edited by Recipe7 - 5/23/11 at 2:28am
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post #2 of 23
I would get another PSU, just to be safe

I got a Cooler Master Silent Pro Gold 800W, it isnt that expensive and its a great PSU
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post #3 of 23
you would be pushing it. Probably ok with no OC..
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post #4 of 23
Thread Starter 
Thanks for the input.

Yes, I'm feeling iffy about going through without a new PSU.

Jacob, I see that you are using the same PSU as me, is it possible to buy a Corsair HX850w and simply switch it with my 650? Are the wires and ports the same?
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post #5 of 23
Quote:
Originally Posted by 1337LutZ View Post
I would get another PSU, just to be safe

I got a Cooler Master Silent Pro Gold 800W, it isnt that expensive and its a great PSU
I would trust the OP's HX650w a lot more than your Coolermaster 800w.

This is what Phaedrus2129 (OCN's PSU Guru) Has to say about your PSU.

Quote:
Silent Pro Gold 800W - 1200W:
The Silent Pro Gold series mark a return to Enhance for CoolerMaster. These PSUs promise efficiency between 87% and 90% and bear the 80+ Gold badge, this being a popular marketing point in the current PSU market. However, despite bearing the 80+ badge these power supplies cannot meet 90% efficiency at 50% load under realistic temperature conditions of 40C (80+ tests at an unrealistic 23 degrees Celsius). They also have horrible ripple and poor regulation on the -12V rail (though this isn't too significant) and mediocre ripple of ~100mV on the +12V rail, which as I've said over and over this can have noticeable effects on overclocking and hardware lifetime. Note that only the 800W unit has been tested; the 1000W and 1200W may perform better. However, this is unlikely since the lower wattage units of a given platform tend to perform better than the higher wattage ones. So despite being efficient, I cannot give my recommendation to the Silent Pro Gold series.




Quote:
Originally Posted by Recipe7 View Post
Thanks for the input.

Yes, I'm feeling iffy about going through without a new PSU.

Jacob, I see that you are using the same PSU as me, is it possible to buy a Corsair HX850w and simply switch it with my 650? Are the wires and ports the same?
They would be the same, apart from the 850 would have more connects I'm sure.
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post #6 of 23
Thread Starter 
Thanks for your input Cyph3r.

I have another question now, guru3d shows that the 503w full-load is a value coming from a Core i7 965 / X58 system which is overclocked to 3.75 GHz and on water cooling.

link: http://www.guru3d.com/article/geforc...0-sli-review/3

Taking into consideration that 503 is powering that beast of a computer, should a 590 run fine with my current setup?
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post #7 of 23
Quote:
Originally Posted by Recipe7 View Post
Thanks for your input Cyph3r.

I have another question now, guru3d shows that the 503w full-load is a value coming from a Core i7 965 / X58 system which is overclocked to 3.75 GHz and on water cooling.

link: http://www.guru3d.com/article/geforc...0-sli-review/3

Taking into consideration that 503 is powering that beast of a computer, should a 590 run fine with my current setup?
did you also scroll down to read what G3D says?

Quote:
Recommended Power Supply

Here is Guru3D's power supply recommendation on the GeForce 500 series:

GeForce GTX 590 - On your average system the card requires you to have a 700 Watt power supply unit.
GeForce GTX 590 SLI - On your average system the card requires you to have a 1000+ Watt power supply unit.
I personally don't think a HX650 can power 590 SLI
You'll need at least an HX850 IMO....
but lets what for the PSU guru's to come in

free bump
post #8 of 23
Thread Starter 
Quote:
Originally Posted by Mr.Pie View Post
I personally don't think a HX650 can power 590 SLI
I am not looking to SLI, Mr. Pie ()

I am just looking to add a single 590.
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post #9 of 23
Quote:
Originally Posted by Recipe7 View Post
Thanks for your input Cyph3r.

I have another question now, guru3d shows that the 503w full-load is a value coming from a Core i7 965 / X58 system which is overclocked to 3.75 GHz and on water cooling.

link: http://www.guru3d.com/article/geforc...0-sli-review/3

Taking into consideration that 503 is powering that beast of a computer, should a 590 run fine with my current setup?
Yes, I'm 99.9% sure you'll be fine. Just don't OC the 590, and you'll have ~100w to spare. Remember good quality PSU's can generally output more than their sticker says aswell (I wouldn't rely on that though, just saying, im positive youll be fine)
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post #10 of 23
you will be ok to be honest!
    
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