Is this a good power supply?

I have Cooler master extreme power 550 W power supply (somewhat old model), it has 2 +12V rails each 16A, my questions are:

-Is this a good quality power supply?

-What graphics cards can I use with this power supply unit?

Thank you
2 answers Last reply
More about good power supply
  1. its ~70% efficient, so its not with the best, but its better than a non-brand psu. u should be able to run a single card, maybe ati hd 4850 or nvidia 260.
  2. btw, why dont u google this thing? u have cooler master web site, go there and see for yourself, spend the time for opening a tread to see the psu specs. lol
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