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Power supply needed

Last response: in Graphics & Displays
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Anonymous
a b U Graphics card
a b ) Power supply
November 11, 2010 6:42:11 PM

If i wanted to run a single ATI video card i know a 650w is plenty what power supply would i need if i wanna run 2 ATI video cards.. Mind there is a ASUS Crosshair IV Formula AM3 board, and a AMD Phenom II X6 1090T Black Edition Thuban 3.2GHz.. do i need more power?

More about : power supply needed

a c 169 U Graphics card
a b ) Power supply
November 11, 2010 6:55:54 PM

What cards are you going to run in CF ?
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Anonymous
a b U Graphics card
a b ) Power supply
November 11, 2010 8:15:32 PM

Maybe like a hd 5000 series
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Anonymous
a b U Graphics card
a b ) Power supply
November 11, 2010 8:34:52 PM

what are your thoughts on a XFX HD585XZABC Radeon HD 5850 Black Edition Video Card - 1GB GDDR5, PCI Express 2.0
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a c 169 U Graphics card
a b ) Power supply
November 12, 2010 9:08:37 AM

For 2 5850's, a good 650W PSU such as Corsair HX 650W suffices.
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a c 199 U Graphics card
a c 127 ) Power supply
November 12, 2010 12:05:28 PM

Aww Maziar, you're no fun today; I was going to suggest that a 300W PSU would have no trouble with a pair of HD5450s...

Anyway, for a pair of HD5850s, the operative word here along with the 650W was "good." Quality modern PSUs have full range active PFC (no little voltage switch) and 80+ certification. Antec, Seasonic, Corsair, Enermax, and XFX are among the better brands. Other than Enermax, avoid any PSU with "max" in its name, as it is most likely a reference to the size of the pyrotechnic display or the number of parts it will take with it when it dies.
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a c 199 U Graphics card
a c 127 ) Power supply
November 12, 2010 4:07:44 PM

It's also overkill, and when he's sitting at the Desktop or otherwise [mostly] idle, he'll be running it around 10% of capacity where efficiency will absolutely suck.

I'd probably choose a Seasonic X-650. It is over 88% efficient at 9.6% load.
http://www.jonnyguru.com/modules.p [...] 2&reid=169
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a c 169 U Graphics card
a b ) Power supply
November 12, 2010 4:11:40 PM

Yep,Seasonic X650 is also good(I think its cheaper than Corsair HX650 too)
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a c 236 U Graphics card
a c 165 ) Power supply
November 12, 2010 6:21:20 PM

Quote:
what are your thoughts on a XFX HD585XZABC Radeon HD 5850 Black Edition Video Card - 1GB GDDR5, PCI Express 2.0



as JTT and Maziar stated, a 650w from seasonic, corsair, xfx, antec, silverston, enermax will do the job easily. the corsair Corsair HX 650W would be my personal choice.
the 875w is overkill, as stated above.
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