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Good 1200w for Tri-Fire - Page 2

post #11 of 23
A single HD6990 uses in games:

~250W Avg



~ 290W Peak




So I don't see a Tri fire pulling more than 500W in games (cards only)..


I would say a quality 850W unit would do just fine even with OC on GPU's and CPU..


CHEERS..
     
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post #12 of 23
With HD6900 cards you have to consider how much their power consumption goes up with overclocking and power cap tweaking--way more than with most cards. If he'll be overclocking a lot then up to a 1kW would not be unwise.
post #13 of 23
Thread Starter 
No it will definately be a 1000w minimum for sure.
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post #14 of 23
Thread Starter 
So with my 2500k @ 5ghz + 6990 + 6970 a good 850w would do it.

Should i get the ax-850 then??
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post #15 of 23
A good 850 would be fine. I bought my 850 with plans of adding a third 6970. Maybe a 1000 to play it safe if overclocking a lot, but 1200 is just unnecessary.
    
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post #16 of 23
Reconsider ocz, they are great psu but they are having issues with noise (rail/coil whine/squeal). I talked to a support rep and they confirmed this is a known issue with several of their "zx" series. I just got my rma and I'm happy to report that it does not have it.

I would recommend a Corsair ax1200 or Antec hcp-1200. But you can do trifire 6990+6970 with a good 1kw unit very well. My first ocz zx-1000w was able to handle three 6950s unlocked to 6970 oc'd during some high stress testing. Save yourself the money and get a 1kw imho.
post #17 of 23
On a budget? The Antec TPQ1200 has served my loaded quadfire rig well.
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post #18 of 23
Quote:
Originally Posted by als008 View Post
So with my 2500k @ 5ghz + 6990 + 6970 a good 850w would do it.

Should i get the ax-850 then??
If you don't plan to OC your video cards (i dont see a reason to do it because they are overkill to being with already) then the AX850 is your best 850 watts to get for that price.
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post #19 of 23
Thread Starter 
Hey all, ended up getting a 1000w Silent Pro Gold. But the 6990+6970 trifire did work out since i had to order in the 6990.

So i now have 2x GTX580's for SLI....
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post #20 of 23
Quote:
Originally Posted by als008 View Post
Hey all, ended up getting a 1000w Silent Pro Gold. But the 6990+6970 trifire did work out since i had to order in the 6990.

So i now have 2x GTX580's for SLI....
Nice
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