PSU for Radeon 6990 or Geforce 590

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!  

i know it lolll!!!  

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   ...

for psu this will be fine in a cheaper price. 

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

or this. 

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


otherwise xfx will also be an good upgrade it is powerful built psu and seasonic unit. 

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.



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...

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.