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Can my 650TX run SLI GTX 470's and a 2500K at 4.5Ghz?

post #1 of 6
Thread Starter 
As the title states, can my 650TX run SLI GTX 470's and a 2500K at 4.5Ghz? This is for my sig rig.

I'm debating on upgrading my video card or going SLi. If I have to upgrade my PSU too, I'll probably just get a GTX 570 instead. However, if I don't have to it'd be nice to save some cash and just get a second 470.
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post #2 of 6
nope
you need a decent 750w to run 470's SLI at least
if you run them stock....yes perhaps
post #3 of 6
Based on AnandTech showing that a pair of 470's pulls 740W in Furmark, I'd say no.
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post #4 of 6
Thread Starter 
Thanks everyone, I guess I'll just buy a GTX 570 then.
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post #5 of 6
Well if you're gunna wanna go SLi with the GTX 570 in the future you'll have to upgrade your PSU anyway! So its a matter of spend the money now or later. Haha
    
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post #6 of 6
According to Xbitlabs, a GTX470 pulls about ~200 watts on its own. That's 400W for the graphics cards, leaving you with 250W left over. Considering the overclock on the CPU, plus the fact that the rest of the system needs some power and then leaving some overhead so as to not run the PSU at 100% load, then running all that on the TX650 would probably be a case of really shoehorning it in. Could work, but IMO not recommended.
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