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New PSU required? GPU upgrade advice?

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  • Homebuilt
  • Systems
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Last response: in Systems
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September 8, 2012 10:05:26 AM

Hey guys I have a homebuilt PC and I have a few questions to ask you guys.
Specs/parts:
Asus ENGTX570 DirectCU II Geforce GTX 570 1GB

Intel Core™ i5-2500K , "liquid" cooled with the AW Aurora liquid cooling (Corsair H50 I believe)

G.SKILL Ripjaws X Series 8GB PC3-12800

Corsair Professional Series HX650

Asus Maximus IV Gene-Z Gen3

Cooler Master Storm Scout Case

WD VelociRaptor 150GB SATA III

Seagate 1TB Barracuda SATA III

And there are 5 case fans total.


If I plan on overclocking my CPU to 4.6GH'z, and my GPU to 900/1800/2200, would my PSU be able to withstand that? Or would I need more power?
Second question, I'm thinking of upgrading to a GTX 660 or even 670, but I'm in no rush to. Would it be best for me to sell off the 570 now, and buy a 600 series card, or just wait until the prices of the 600 series to drop?

English is not my first language, sorry about that.
Thanks a lot guys!

More about : psu required gpu upgrade advice

September 8, 2012 4:49:38 PM

the price for 660ti is good now, however the price for 670 is alot. you could sell it, or you could go sli with the 570, though you shouldnt need to right now because something better is always coming down the road.

or you could go radeon hd 78**

you would need more power though, i guessing about 800w - 850w
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a b B Homebuilt system
September 8, 2012 5:21:16 PM

I seriously doubt that your system power consumption would go above 400W under a Furmark type load, so no you do not need to upgrade your PSU.
There is even less need to upgrade PSU if you are going to be replacing your GTX 570 with a more energy efficient card, like the GTX 660 Ti or 670.
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September 9, 2012 10:24:20 PM

kishagi said:
the price for 660ti is good now, however the price for 670 is alot. you could sell it, or you could go sli with the 570, though you shouldnt need to right now because something better is always coming down the road.

or you could go radeon hd 78**

you would need more power though, i guessing about 800w - 850w


I've decided to go with the 660 or 670. SLI seems like it would be too much of a hassle (some games don't support it, temperature problems, etc)
Thanks a lot !
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September 9, 2012 10:26:23 PM

Silvune said:
I seriously doubt that your system power consumption would go above 400W under a Furmark type load, so no you do not need to upgrade your PSU.
There is even less need to upgrade PSU if you are going to be replacing your GTX 570 with a more energy efficient card, like the GTX 660 Ti or 670.


Okay, that brings another question to my mind: How come whenever I try to overclock my CPU above 4GH'z my PC does not get past the windows splash screen? I've read around and found quite a few threads saying the cause to be a lack of the PSU. Care to shine some light on this issue?
Thanks a lot for your input by the way! I'm leaning towards the 670 now.
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a b B Homebuilt system
September 10, 2012 9:11:50 AM

I don't believe it is a lack of power, unless your HX650 is somehow faulty, because it is more than enough for a system with a single GTX 570.
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September 24, 2012 7:50:51 AM

Best answer selected by o320.
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