Do i need a bigger power supply for dedicating 2 graphics cards?

Do i need a bigger power supply if I am going to put my GeForce 550ti dedicated to PhysX and my 660ti to just the graphic? I have a 700W supply now.
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  1. If it's a decent one, yes, 700W is more than enough for a 660 ti card(max tdp 170W) + 116W 550 ti as physX card
  2. I am also running 2 4GBDDR3 with an I7-2600..didn't know if that would matter..

    Thanks for the help!
  3. You're fine, that cpu doesn't draw much power.
  4. djangoringo said:
    You're fine, that cpu doesn't draw much power.

    Thanks! I appreciate it..I just didn't want to chance it if it would draw too much power and possibly ruin my new card.
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