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GTX 560 or HD 6870 with 475w psu?

Last response: in Graphics & Displays
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February 15, 2012 4:48:13 PM

I have a Dell studio 435t that has a 475w flextronics stock psu.
Machine came with a i7 2.6GHz, 12g RAM,GTX 260

http://www.txcesssurplus.com/servlet/the-6779/Dell-F217...

Looking at manufacturer sites they say either 450w or 500w minimum recommended psu's for the HD 6870 and the GTX 560.
I don't need to go to a 560ti to get a good performance boost so I was wondering if it's a good idea to run either of these cards with this psu or should I really just buy a new psu too. Trying to get away with not replacing it if possible.

More about : gtx 560 6870 475w psu

February 15, 2012 5:05:19 PM

6870, but I wouldn't trust that PSU.
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a b U Graphics card
February 15, 2012 5:12:35 PM

6870 require 151w and 560ti require 170w. So 6870 is the chioce, but your psu is tighten and maybe not that good.
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a b U Graphics card
February 15, 2012 6:28:23 PM

Nope. Stock generic PSU? A good 430w can run a 6870 but...
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February 16, 2012 8:42:27 PM

I've seen other posts saying the flextronics psu is good so I don't know why a good 430w would run a 6870 but my 475w won't.
Either way I was just hoping I wouldn't have to get a psu. My wife has the same pc and I'll be doing the same upgrade in both, that's why I was trying to not replace the psu.
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