Is 500w enough?

I have a Corsair 500w builder series PSU, is that enought for my 7950 vapor x 3gb and my i5 2500k. I also have 1 ssd and one hdd installed. I am sending back my 750W due to a problem it's having and am wondering if my old PSU will do the job whilst i wait for a replacement. Thanks.
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More about 500w enough
  1. That system draws less than 300W.
  2. Sure, it is enough. Corsair 500w gives 456w on +12v, and HD7950 max consumption is 180w + let's say up to 130w for seriously overclocked 2500k + 15w for both disk drives= 325w out of 456w. And that is everything *really* on max.
  3. Thank you
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