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PSU for Radeon 6990 or Geforce 590

Last response: in Graphics & Displays
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March 7, 2012 9:32:53 AM

Hi guys

So I'm looking to upgrade my rig this month. Was wondering if you guys can answer a few of my questions.

Which PSU would I need to run the following system with either the Geforce 590 or Radeon 6990

GPU: Geforce 590 or Radeon 6990

CPU: Intel® Core™ i7 3820 - 3.60GHz Quad Core, Socket 2011, 10MB L3, 4.8GT/s QPI, 32nm, x64 Support, Intel VT, 3 Year Warranty

MBO: Not entirely sure which motherboard I should use either. Would want to buy something between 350$-450$. Maybe an Asus or Intel? Help please.

RAM: Corsair Dominator 1600 MHz 8GB

CHASSIS: Coolermaster HAF-X

HDD: Seagate 1 TB

CPU COOLING: Corsair Hydro H100. Is this a good CPU cooler?

Think that's about everything. I was thinking I'd just need a Corsair HX 850W? Would that have sufficient Amperage and Wattage to power this machine?

I'd appreciate any comments on this!

Thank you very much
W0tness
a b U Graphics card
March 7, 2012 10:11:26 AM

guru 3d recommends a quality 750w psu for single 6990 and i think it's same for gtx 590-
http://www.guru3d.com/article/radeon-hd-6990-review/10
here's a good choice-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
if you don't want modular than-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
both are good.Ist one is more efficient and semi modular.both will handle your system well.
For mobo,Asus is the best.Here's my suggestion-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
H100 is a good cooler.only con is stock fans are crap.swap em out for these-
http://www.newegg.com/Product/Product.aspx?Item=N82E168... X2
BTW 7970 is a better choice than 6990 or 590.they(6990,590) are hard to OC,produce a lot of heat,noise level is higher than a jet!there also many issues with games.some times games can not use the xfire on single PCB and result in poor performance.A single fast gpu is always better.here's a recent example of such problem-
http://www.tomshardware.com/forum/345674-33-crysis-perf...
XFX DD HD7970 is a very good choice but they are out of stock on newegg.But amazon is available ;)  -
http://www.amazon.com/XFX-FX797ATDBC-Double-Black-Graph...
i think i convinced you :)  and you should go with newer tech that is 7970!!!
a b U Graphics card
March 7, 2012 10:17:05 AM

hellfire24 said:
guru 3d recommends a quality 750w psu for single 6990 and i think it's same for gtx 590-
http://www.guru3d.com/article/radeon-hd-6990-review/10
here's a good choice-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
if you don't want modular than-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
both are good.Ist one is more efficient and semi modular.both will handle your system well.
For mobo,Asus is the best.Here's my suggestion-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
H100 is a good cooler.only con is stock fans are crap.swap em out for these-
http://www.newegg.com/Product/Product.aspx?Item=N82E168... X2
BTW 7970 is a better choice than 6990 or 590.they(6990,590) are hard to OC,produce a lot of heat,noise level is higher than a jet!there also many issues with games.some times games can not use the xfire on single PCB and result in poor performance.A single fast gpu is always better.here's a recent example of such problem-
http://www.tomshardware.com/forum/345674-33-crysis-perf...
XFX DD HD7970 is a very good choice but they are out of stock on newegg.But amazon is available ;)  -
http://www.amazon.com/XFX-FX797ATDBC-Double-Black-Graph...
i think i convinced you :)  and you should go with newer tech that is 7970!!!

Fine recommendation however bare in mind that Kepler is just around the corner! :) 
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a b U Graphics card
March 7, 2012 10:42:56 AM

i know it lolll!!! :) 
a b U Graphics card
March 7, 2012 11:44:35 AM

had a Decathlon SilverStone 750W With a 6990 for sometimes , but i think 750 would be the Minimum Requirement for a Dual GPU Configuration , so a 850W to be safe :D  ...
a c 212 U Graphics card
March 7, 2012 1:19:00 PM

The GTX 590, assuming ya can still find one, got ya 881 fps in Guru3D's game test suite for $750 or $0.85 per frame.

The 6990, assuming ya can still find one, got ya 762 fps in Guru3D's game test suite for $725or $0.95 per frame.

The 7970 gets ya 675 fps for $550 or $0.81 per frame

The 78xx series looks very interesting but since we only have buggy reference 7850 cards to look at and no one is actually going to release a reference 7850, gotta reserve judgement at this time. Should be some excitement when kepler breaks and these 78xx series get sorted out.

Twin 900Mhz 560 Ti's (w/ the beefy 7 phase VRM's) are readily available and will get ya 862 fps in Guru3D's game test suite for $420-430. That's significantly faster than any of the above, except the 590 where it comes up just 19 fps short, or about half the cost per frame @ $0.42 of any of the above.

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

A 750 watter will handle them just fine but ir ya wanna go to 25-30% OC's on the GFX and 4.8Ghz or more on the SB CPU, I'd gran an 850 watter for the cushion and voltage stability.

Quote:
Corsair Hydro H100. Is this a good CPU cooler?


I don't think so....good thermal performance but noisy and not significantly better than a quality air cooler.

http://www.vortez.net/articles_pages/phanteks_ph_tc14pe...

As for the Case / PSU .... normally I'd recommend

Antec DF-85 or 1200 V3 w/ CP-850 PSU
Corsair 500R w/ Corsair HX850
HAF-X w/ HX850

But if you budgeting a 3820, I'd be recommending the Level 10 GT Snow
http://benchmarkreviews.com/index.php?option=com_conten...
a b U Graphics card
March 7, 2012 5:03:01 PM

That psu you originally mentioned is perfect. Whichever psu you decide to get make sure it is a SINGLE rail design. My craptacular psu works great but the dual rail suffers from an unbalanced load and causes system crashes if you don't balance things properly. I beleive the HX1000w has two rails and the HX850W is a single.
!