Need Help About Power Supply

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TastyBl00d

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Dec 4, 2012
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My PSU only 500w , decided to upgrade to GTX 760 which need 500w....so is it ok?

Core i5 3570
Asus P8Z77-M
8 GB DDR3 Ram
Gigabyter PoweRock 500w
Cooler Master Elite 311 (chassis)
 
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jaguarskx
The GTX 760 should be able to run on the Gigabyte PoweRock 500w PSU. I know it is made by CWT (one of two primary OEMs of Corsair PSUs, the other is Seasonic) so at least it is made by a reputable OEM. But that does not necessarily mean it is a good quality PSU since even the best PSU OEM (Seasonic) can make bad PSUs.

It provides up to 360w on the +12v rails so that should be enough to power the GTX 760 which peaks at 170w (230w when running FurMark though) and a i5-3570 which consumes around 80w under load. That's works out to 250w leaving 110w for hard drives, optical drives, and fans. I typically do not like pushing more than 85% of the max wattage on the +12v rails, so for me that means no more than a 306w on the Gigabyte's +12v...
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rishiswaz

rishiswaz

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Mar 10, 2012
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you are really pushing it there, I would suggest upgrading to 650-750W power supply from either Seasonic, FSP, PC Power and Cooling, or Corsair. Those are all solid brands, you do not want to skimp on the PSU
 
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Dark Lord of Tech

Dark Lord of Tech

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Aug 18, 2009
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Gaidax

Gaidax

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Sep 27, 2013
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It's ok, you can run it - I ran Radeon HD 6990 on 620w Enermax PSU, so I'm sure you can run GTX 760 on 500w just fine.

I just skimmed over some reviews and it seems that the peak power consumption for a system (including CPU) with GTX 760 under load is around 330w, so you are definitely covered.
 
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Gaidax

Gaidax

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Sep 27, 2013
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I disagree, I think people exaggerate this stuff - GTX 760 is a pretty easy on power requirements and that PSU has twin 12v rails capable of delivering near full of the PSU output on them.

That PSU is not amazing, but it's not horrible and it can handle GTX 760 and I5 just fine.
 
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jaguarskx

jaguarskx

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Apr 19, 2006
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The GTX 760 should be able to run on the Gigabyte PoweRock 500w PSU. I know it is made by CWT (one of two primary OEMs of Corsair PSUs, the other is Seasonic) so at least it is made by a reputable OEM. But that does not necessarily mean it is a good quality PSU since even the best PSU OEM (Seasonic) can make bad PSUs.

It provides up to 360w on the +12v rails so that should be enough to power the GTX 760 which peaks at 170w (230w when running FurMark though) and a i5-3570 which consumes around 80w under load. That's works out to 250w leaving 110w for hard drives, optical drives, and fans. I typically do not like pushing more than 85% of the max wattage on the +12v rails, so for me that means no more than a 306w on the Gigabyte's +12v rails. 56w should be enough for a few hard drives, an optical drive and a couple of fans.
 
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