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Graphics Card for 550W Corsair PSU

Last response: in Components
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June 6, 2010 9:43:14 AM

Hi
recommend me a graphics card for my current system

CPU : Phenom II X6 1090T
MB : Asrock 785 GXH AM3
RAM : Corsair XMS 3 1333 (2 x 2GB)
HDD : WD 1TB Black Edition
PSU : Corsair 550W
CASE: NZXT LEXA-S

I have shortlisted the following one's

1. Sapphire 2 x 5770 1 GB
2. Sapphire 2 x 5750 1 GB
3. Sapphire 1 x 5850 1 GB

I am not planning to upgrade my PSU so let me know which is best graphics card for my current system
a b ) Power supply
a b U Graphics card
June 6, 2010 11:08:45 AM

Your PSU is an excellent unit that can handle all the options you wrote.
In my opinion, the 5770CF will give you more performance than one 5850. Therefore, I would buy two 5770 graphic cards.
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a b ) Power supply
June 6, 2010 5:59:47 PM

+1 Henry ^^^
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June 6, 2010 9:40:49 PM

Get HD5850, i don't think your PSU will take two 5770 or 5750 in Cross Fire, but will take one 5850
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June 6, 2010 9:57:43 PM

Ya. I recomend 1 more powerful card because crossfire can get buggy
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a c 126 ) Power supply
a c 199 U Graphics card
June 6, 2010 10:17:14 PM

We're all assuming you want to play games, otherwise your integrated HD4200 is fine for productivity apps; maybe a HD5450 for movies and other video.
You don't list your monitor resolution, or the games you want to play, but unless the games are very demanding and/or your resolution is very high (more than 1920x1080), start with a single HD5770. That may be all you need. That's what I'm using at 1920x1080, but I know my games are not as demanding as many newer ones. If you need a second card, you can always add it.
Btw, assuming your mobo is this: http://www.newegg.com/Product/Product.aspx?Item=N82E168... , how do you like it?
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June 6, 2010 11:46:45 PM

y would he need to overvolt?
550w psu - hopefully he doesnt plan on overclocking his gpu
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a c 126 ) Power supply
a c 199 U Graphics card
June 7, 2010 12:32:26 AM

If his PSU were a Chokemax, concern would be justified, but it isn't. It's a Corsair; no doubt actually good for more than 550W, but in any case, enough for a pair of HD5770s in Crossfire.
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June 7, 2010 7:45:42 AM

I still doubt if its safe to have 2x 5770 on the 550W PSU(though its a great PSU), i would still recommend 1x 5870 in its place. If @OP upgrades the PSU in future he can add another 5870.
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!