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What PSU will I need?

post #1 of 37
Thread Starter 
Hi guys,

I was wondering what PSU would be sufficient for this setup:

intel q9300@ 2.5 Ghz ( which I will upgrade to a intel i7 2600k later)
4gb Ram DDR2 ( which I will upgrade to DDR 3 )
Radeon HD 6970

Please keep this as cheap as possible, thanks!
post #2 of 37
I would go with a high quality 750 that will give you a little room to grow.
http://www.newegg.com/Product/Produc...82E16817256059
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post #3 of 37
Thread Starter 
Would that be crossfire future-proof? If I want to do that later I don't want to buy a new PSU
post #4 of 37
Personally i would never buy anything less than a 750w PSU. Corsair TX750/HX750 are pretty cheap. Got my 750tx for under $100
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post #5 of 37
You would need something like this or thisthen. Difference is the efficacy rating.
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post #6 of 37
XFX 650 watt, XXX core edition modular will be fine even for Xfire, grab that 94$
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post #7 of 37
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post #8 of 37
Quote:
Originally Posted by Smoblikat View Post
XFX 650 watt, XXX core edition modular will be fine even for Xfire, grab that 94$
no sorry but with 2 250W cards it will not be fine. It would be overloaded not to mention that those PSU's have not made a good name for themselves.

My rig consumes ~700 W at full load and the GPU's he is looking at pull 35W more each.
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post #9 of 37
A good 650w is enough for 6970 CF

Cheapest one I could find http://www.newegg.com/Product/Produc...82E16817207010
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post #10 of 37
I'd grab a good 450W unit. If you have serious plans to use Crossfire, 650W is fine, and 750W is the highest sensible wattage you should be getting.

http://www.newegg.com/Product/Produc...82E16817207012
http://www.newegg.com/Product/Produc...82E16817207002
http://www.newegg.com/Product/Produc...82E16817371025

Quote:
Originally Posted by eclipseaudio4 View Post
no sorry but with 2 250W cards it will not be fine. It would be overloaded not to mention that those PSU's have not made a good name for themselves.
XFX units are made by SeaSonic and there is absolutely nothing wrong with them. What's your source for them "not making a good name for themselves"?

Quote:
My rig consumes ~700 W at full load and the GPU's he is looking at pull 35W more each.
6970s are 250W cards AT MOST. 200W on a normal gaming load.

650W is fine for two.
Edited by Shub - 3/26/11 at 1:26pm
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