How many watts do I need?
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I dont know what size psu to get. The max i can pay is about $80
I have a Phenom II 965 And a evga 480
I have a Phenom II 965 And a evga 480
More about : watts
I'd have to vote for the Seasonic power supply. I still have my Seasonic PSU from four years ago churning away in my rig with no issues at all and a killer warranty (even though it's expired now I believe).
Quote:
Yes.SLi will need 850watts....
Pretty much this. Depending on your setup, with one graphics card most systems will draw 350-400w with CPU+GPU load with higher end systems like X79 possibly approaching 650w overclocked CPU+GPU.
If you plan on running two high end video cards you'll want 850w or higher whereas if you're running a system that doesn't draw much power you might be able to manage with a high end 650-700w PSU (core i5 not overclocked + two radeon 7770s for example).
here's guru3d recommendation for power supply for a gtx 480-
http://www.guru3d.com/article/geforce-gtx-470-480-revie...
Here is Guru3D's power supply recommendation:
GeForce GTX 470
On your average system the card requires you to have a 550 Watt power supply unit. We recommend at least 35 Amps in total available on the +12 volts rails (accumulated).
GeForce GTX 480
On your average system the card requires you to have a 600 Watt power supply unit. We recommend at least 40 Amps in total available on the +12 volts rails (accumulated).
GeForce GTX 400 in SLI
A second card requires you to add another 250 Watts. You need a 850+ Watt power supply unit if you use it in a high-end system (1 KiloWatt recommended). That power supply needs to have (in total accumulated) at least 55 to 60 Amps available on the +12 volt rails.
total amps on +12v rail is the crucial factor.for a single gtx 480,a quality power supply with 40 amps or more is recommended.i would suggest these power supplies-
Corsair TX650 V2(sorry recon-uk![:p]( ":p")
)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
$65 after rebates,seems to be a good deal.it has 53amps which is more than enough for your setup.
xfx pro 650w-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
similar to tx650(both are made by seasonic).
i would suggest going with tx650w,it's one hell of a great power supply.good luck with your build![;)]( ";)")
http://www.guru3d.com/article/geforce-gtx-470-480-revie...
Quote:
Recommended Power SupplyHere is Guru3D's power supply recommendation:
GeForce GTX 470
On your average system the card requires you to have a 550 Watt power supply unit. We recommend at least 35 Amps in total available on the +12 volts rails (accumulated).
GeForce GTX 480
On your average system the card requires you to have a 600 Watt power supply unit. We recommend at least 40 Amps in total available on the +12 volts rails (accumulated).
GeForce GTX 400 in SLI
A second card requires you to add another 250 Watts. You need a 850+ Watt power supply unit if you use it in a high-end system (1 KiloWatt recommended). That power supply needs to have (in total accumulated) at least 55 to 60 Amps available on the +12 volt rails.
total amps on +12v rail is the crucial factor.for a single gtx 480,a quality power supply with 40 amps or more is recommended.i would suggest these power supplies-
Corsair TX650 V2(sorry recon-uk
)http://www.newegg.com/Product/Product.aspx?Item=N82E168...
$65 after rebates,seems to be a good deal.it has 53amps which is more than enough for your setup.
xfx pro 650w-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
similar to tx650(both are made by seasonic).
i would suggest going with tx650w,it's one hell of a great power supply.good luck with your build
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