What PSU can handle a GTX 570?

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trogdor8freebird

trogdor8freebird

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Sep 27, 2012
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The Question

I'm going to get a GTX 570 for from a friend, but I need to get a new PSU for it.
At first I was thinking a CX500 may do the trick, but I looked on a couple of forums that basically dismissed it. I'm going for something cheap, hopefully under $80. What's the cheapest PSU that can comfortably handle a single GTX 570 and the other specs I list down below?

Future PC build

CPU: Intel Core 2 Duo e8500 (Small overclock
RAM: 8GB DDR2-800 (6/8 are GDDR2-800)
Mobo: Intel DG35EC
Graphics Card: x1 EVGA GTX 570 (Maybe overclocked)
HDD: 1.5TB Barracuda 7200 RPM

Conclusion

I've seen the answers you all have provided (maturely and to the point, I may add) and I've made my decision.

For anyone reading this afterwards, remember the prices and stock options may have changed.

As for the best PSU for its price under $85, this seems like the best option:

$69.99 XFX Core Edition PRO550W (P1-550S-XXB9):
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013

As for two other great PSUs for their price:

$69.99 CORSAIR Builder Series CX600:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028

$89.99 Rosewill HIVE Series HIVE-750 750W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817182133
 
Solution
ko888


The XFX Core Edition PRO550W (P1-550S-XXB9) is definitely superior in quality to the Corsair CX600. The XFX Pro550W has a 5 Year Warranty and is rated for operating in environments up to 50°C or higher whereas the Corsair CX600 has a 3 Year Warranty and is only rated for up to 30°C before thermal de-rating reduces the amount of power that the PSU can deliver as operating temperature rises.

As I've stated in my post above:

Total Power Supply Wattage is...
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biopolar

biopolar

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Mar 7, 2013
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Max power draw is 219W.

I see honestly nothing wrong with a CX 600/750(what I currently have, running a 7950), depending on everything else in the system of course. Also running dual screens, gaming / netflix.
CX corsair is still rock solid, as corsair is in general.
 
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trogdor8freebird

trogdor8freebird

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Sep 27, 2012
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So do you think I should go with the (currently) $78 CX600 for my future build? It does look impressive.
 
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ko888

ko888

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Feb 18, 2009
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For a system using a single GeForce GTX 570 graphics card NVIDIA specifies a minimum of a 550 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 38 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most important factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The Rosewill CAPSTONE-650 650W, with its maximum combined +12 Volt continuous current rating of 54 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your system configuration with a single GeForce GTX 570 graphics card.

This one would also work:

XFX Core Edition PRO550W (P1-550S-XXB9)
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013
 
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trogdor8freebird

trogdor8freebird

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Sep 27, 2012
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Do you think that Pro550w is a better choice than a CX600? The CX600 is $78 instead of $83, has 550W (The supposed minimum for the GTX 570), and has 44A on the 12V rail instead of 46. I'm just wondering, because I don't know a ton about PSUs and I'm wanting to learn anyway.
 
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ko888

ko888

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Feb 18, 2009
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84,990


The XFX Core Edition PRO550W (P1-550S-XXB9) is definitely superior in quality to the Corsair CX600. The XFX Pro550W has a 5 Year Warranty and is rated for operating in environments up to 50°C or higher whereas the Corsair CX600 has a 3 Year Warranty and is only rated for up to 30°C before thermal de-rating reduces the amount of power that the PSU can deliver as operating temperature rises.

As I've stated in my post above:

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most important factor.
 
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