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General discussion (archive)Buying New GPU! Power Supply Question..(9 posts)solved(9 posts)solved
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Posted October 10, 2013
So I decided to get rid of my current GPU (GeForce 630) and go for a better one.. so far I decided between these two cards: <span class="bold">GeForce GTX 650 Ti BOOST</span> or <span class="bold">GeForce GTX 660</span>.. The concern I have is if my PSU can handle the new GPU.. I have a <span class="bold">600W PSU</span> and the 2 GPU's I listed above both require a minimum of a 450W PSU..

So basically, would I be fine running either of these with my current PSU?

I know logic would say Yes.. but I know how these things can be with the quality of the PSU in question and the GPU's power consumption..
Post edited October 10, 2013 by YellowAries
This question / problem has been solved by triockimage
Posted October 10, 2013
While your PSU is not the best :P, it shouldn't have problem with any GPU you mentioned above. ;)
Posted October 10, 2013
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YellowAries: So I decided to get rid of my current GPU (GeForce 630) and go for a better one.. so far I decided between these two cards: <span class="bold">GeForce GTX 650 Ti BOOST</span> or <span class="bold">GeForce GTX 660</span>.. The concern I have is if my PSU can handle the new GPU.. I have a <span class="bold">600W PSU</span> and the 2 GPU's I listed above both require a minimum of a 450W PSU..

So basically, would I be fine running either of these with my current PSU?
Id err on the side of caution and up your PSU aswell.

When I built my system I factored in future updates and went with a 1200 corsair. Ive upgraded many things in this system but If I ever have to change the PSU id be very shocked
Posted October 10, 2013
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YellowAries: So I decided to get rid of my current GPU (GeForce 630) and go for a better one.. so far I decided between these two cards: <span class="bold">GeForce GTX 650 Ti BOOST</span> or <span class="bold">GeForce GTX 660</span>.. The concern I have is if my PSU can handle the new GPU.. I have a <span class="bold">600W PSU</span> and the 2 GPU's I listed above both require a minimum of a 450W PSU..

So basically, would I be fine running either of these with my current PSU?
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reaver894: Id err on the side of caution and up your PSU aswell.

When I built my system I factored in future updates and went with a 1200 corsair. Ive upgraded many things in this system but If I ever have to change the PSU id be very shocked
Upgrading my PSU is not an option.. sadly.. so I either do or don't buy the GPU.
Posted October 10, 2013
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triock: While your PSU is not the best :P, it shouldn't have problem with any GPU you mentioned above. ;)
Thanks Triock. I decided to opt for the GTX 660 =D
Posted October 10, 2013
A 600W power supply is more than enough for either of those cards. The 450W minimum is just a recommendation when you have the complete system (so you should have at least a 450W PSU with everything, not 450W dedicated to the GPU). If it's any consolation, I'm running a 600W PSU with two 460s in SLI, and I've never blue screened from a power failure. I've been using this setup for almost two years now, with a PSU that's almost five years old.
Post edited October 10, 2013 by Dr_Worm
Posted October 10, 2013
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Dr_Worm: A 600W power supply is more than enough for either of those cards. The 450W minimum is just a recommendation when you have the complete system (so you should have at least a 450W PSU with everything, not 450W dedicated to the GPU). If it's any consolation, I'm running a 600W PSU with two 460s in SLI, and I've never blue screened from a power failure. I've been using this setup for almost two years now, with a PSU that's almost five years old.
Well that's awesome then.. really eases my conscience! Thank you =)
Posted October 10, 2013
Another important factor to keep in mind is your CPU, since AMD tends to use more power than Intel, especially in heavy loads. That and how many other components you have. Newegg has a pretty handy wattage calculator. It's not 100% accurate, but it does give you a general idea of what you need based on what's inside your computer.
Post edited October 10, 2013 by Dr_Worm
Posted October 10, 2013
Hmm, the quality of the PSU is just as important as the output, I've seen systems crash with overspecced bad quality PSU's while they would run flawless with a modest one of good quality.
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General discussion (archive)Buying New GPU! Power Supply Question..(9 posts)solved(9 posts)solved
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