PSU For Xfire Build

[TheGuitarist]

I built a computer last year that I ended up parting out and selling, but I kept my PSU; however, I'm pretty sure it won't cut the mustard for my new proposed build. The PSU I kept is a Corsair CMPSU 750tx and I'm thinking a step up to the 850 version will be needed.

Approximate Purchase Date: March

Budget Range: $1,600

System Usage from Most to Least Important: Gaming, School

Parts Not Required: Need everything

Preferred Website(s) for Parts: newegg.com

Country: USA

Parts Preferences: I7 2500k, 2 x XFX 2GB 6950, 8gb G.skill DDR3 1600, Zalman 110mm 2 Ball CPU Cooler, NZXT Phantom Full Size Tower, Samsung Spinpoint M8 (Good lord HDD prices skyrocketed since last year!), Asus 23" VS238H-P, ASUS P8P67 Evo

Overclocking: Yup

SLI or Crossfire: Yup

Monitor Resolution: It's my TV, sooo...1080P

Additional Comments: want it to be quiet, no water cooling, great graphics

 

[deadjon]

Your PSU can push out enough power for 2 580s, let alone 2 6950s, its a Corsair TX - they are some of the best PSUs ever devised and they are INSANE.

 

[sosofm]

My advice is to buy one 7970 in place of 2 x 6950.
Buy an Noctua if you want silence and performance :
http://www.newegg.com/Product/Product.aspx?Item=N82E16835608018
http://www.newegg.com/Product/Product.aspx?Item=N82E16835608020
Motherboard :
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131792
Memory . buy low profile not to interfere with the cpu cooler :
http://www.newegg.com/Product/Product.aspx?Item=N82E16820233196

 

[Lokster1]

I got the 850 for future x-fire with my 6950 2gb, I would upgrade to be safe if your planning on x-fire or your 750 should be good if you switch to the 7970 as sosofm suggested.

Newegg has $10 off promo on corsair psu's right now too, til the 16th

 

[TheGuitarist]

Thanks for the quick replies. I thought the p67 boards were better than the z68 boards, any reason why you recommended that board, or is it personal preference. Really, I don't care either way as long as its a solid board.

 

[Lokster1]

Couple of articles you can read:

http://www.pugetsystems.com/blog/2011/06/09/h67-p67-and-z68-which-one-is-right-for-you/

http://www.anandtech.com/show/4329/intel-z68-chipset-smart-response-technology-ssd-caching-review

https://spreadsheets.google.com/pub?key=0AoXai57oo6AGdHJNSXNXVUNqbHZoTlZjblV2cVJUTlE&w=291&h=2175

 

[TheGuitarist]

Good reads. Thanks. So I should it shouldn't upgrade to an 850?

 

[Onus]

I like sosofm's idea of getting a single HD7970. A single card will always have less driver / compatibility issues than a pair. Hopefully by March we will see HDD prices start to come down.

 

[TheGuitarist]

Yeah, just read up on the issues that can arise with xfire. I think ill stick with a 7970. Woohoo! Thanks gents.