Corsair 400W

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RedxSniper

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#1 RedxSniper
Member since 2009 • 1097 Posts

Do you think this psu http://www.newegg.com/Product/Product.aspx?Item=N82E16817139008&nm_mc=EMC-IGNEFL040209&cm_mmc=EMC-IGNEFL040209-_-PowerSupplies-_-L5C-_-17139008

Is good enough to run a Q9400+ a Hd489/GTx275 depending on which one i choose ?

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TheDuffman26

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#2 TheDuffman26
Member since 2006 • 1346 Posts
No, the corsair 550w psu would be the bare minimum. I'd recommend the corsair 650tx though.
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RedxSniper

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#3 RedxSniper
Member since 2009 • 1097 Posts
alright thanks.
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IvanElk

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#4 IvanElk
Member since 2008 • 3798 Posts
The 4870 requires a 500w though it doesn't draw that I run mine with 500w dandy... anylower i doubt it since at peak i draw 450 or so. 500w from PC power and cooling and the gpu you choose. 4890 is like 18 times better then the GTX 275
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zcake22

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#5 zcake22
Member since 2005 • 125 Posts

No, the corsair 550w psu would be the bare minimum. I'd recommend the corsair 650tx though.TheDuffman26
Agreed.
The 4870 requires a 500w though it doesn't draw that I run mine with 500w dandy... anylower i doubt it since at peak i draw 450 or so. 500w from PC power and cooling and the gpu you choose. 4890 is like 18 times better then the GTX 275IvanElk
I'm sorry, but that's just flat out wrong. http://www.guru3d.com/article/geforce-gtx-275-review-test/1

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NSR34GTR

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#6 NSR34GTR
Member since 2007 • 13179 Posts
600 is ideal
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Avenger1324

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#7 Avenger1324
Member since 2007 • 16344 Posts
I don't know how up to date they are with the latest graphics cards, but you can google some PSU calculators which attempt to work out how much power your system would need. If you are going for a fairly high end graphics card and a decent dual or quad core processor you should be looking at 550W from a decent branded PSU manufacturer as a minimum. If you go for a lesser known or budget brand then look for a higher rated PSU as basically the number on the side is not what they will deliver. Also be aware of the power requirements on the different rails - some cards require a certain rating to work, and again this is a common failure of budget CPUs - they either don't deliver the Amps at all, or it gets split across so many rails it can't deliver what is needed
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