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PSU advice for 6870 Crossfire

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Graphics card Master

Phenom ii x4 965 @ 3.8ghz
Gigabyte 990FXA-UD3
XFX 6870
8GB(4x2GB) DDR3 1333mhz
60GB SSD
750GB HDD(7200rpm)
6/120mm and 2/230mm case fans.


I'm looking to get a new PSU to support a 6870 crossfire and I've narrowed it down to these 3.I was wondering which one would be the best.Personally I really like the XFX one because it has all the PCI-E cables needed and I really don't want to have to use molex adapters.My budget is less than $100.

Corsair TX650

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

CoolerMaster GX650

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

XFX Core 650

http://www.newegg.com/Product/Product.aspx?Item=N82E168...


If anyone has a suggestion towards a different PSU please don't hesitate to mention it.

More about : psu advice 6870 crossfire

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Graphics card Master

purple stank said:
What do you mean? I already own a 6870.

I knew you wanted to CF HD 6870 with another or HD 6850, that's what i meant.
Again, Can you push your budget to get a more quality branded one ?
Graphics card Master

Well that Cougar PSU seems to do well in the tests but it didn't get a Tom's reccomendation.

I am planning on going for a 6870.This was the one I had in mind.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The 6870 I have is a reference design and it's BIOS are locked so I cannot O.C. it.So I don't see the need to get a higher end 6870 like a Twin Frozr because I can't O.C. it anyway.I figure I'll just go with another XFX one just in case something goes wrong I still have the lifetime warranty with it.
Graphics card Master

NZXT 650W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
If you don't mind using Molex, i personally trust using it with this unit and using it generally with the 6870s.

Seasonic 620W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Finally I would go fro the Cougar SX 700, HEC makes most of their PSUs as a small market segment products with no fantastic materials, but the efficiency is pretty good and nothing bad at all reviewed on this unit.
Graphics card Master

I'm really having a hard time deciding between the XFX and Cougar.They each have something I like,the single +12/v rail and the modular cables.I just wish only one of them had both.
Graphics card Master

XFX got total score of 9 by johny, no reputable reviews on the cougar except the one by toms and it proved reliability. I would actually go with the Cougar.

Your budget is your issue, i was going to recommend the Antec HCG 750W before hearing that you rely on the debate.
Graphics card Master

Quote:
The XFX unit is the better unit.

That's your opinion, not mine.
And i'm not speaking regarding how many wattage needed, the 620W version has 2 x 8 pins only and Purple doesn't want to use Molex. I'm speaking about Quality and Materials, Antec, Corsair, NZXT are more famous brand names than XFX when it comes to PSUs.
Graphics card Master

Jonnyguru & Hardwarecauncks didn't state seasonic part like they stated in OCZ and Antec PSUs. And who told you that they are tier 1 PSUs ? Tier 1 PSUs only get the full score 10, like the NZXT, Silverstone, Seasonic...

And any cheap unknown PSU could score 9/10 if it was efficient.
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