9800GX2 plus 8800GT multicard upgrade

I have upgraded my PC's 8800GT to a 9800GX2 powered by a 600W PSU. But as Nvidia now support the multicard option, meaning that it is now possible to put old 8800GT back in the PC. I want to know if my PSU is powerful enough to handle 8800GT along side the 9800GX2.

or should I upgrade the PSU?
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More about 9800gx2 8800gt multicard upgrade
  1. Welcome to the forums!

    Please list your all your hardware components or check this website:

    Certified SLI-Ready Power Supplies
    http://www.slizone.com/object/slizone_build_psu.html
  2. This is what I am looking for:-
    Card 1: Graphics rendering
    Card 2: Dedicated to PhysX acceleration
    Graphics card 2 is not required to have the same GPU as graphics card 1
    http://www.slizone.com/object/sli_cuda_learn.html

    The 9800GX2 to will be the SLI card....and the 8800GT will be the PhysX card.

    What I want to know is...is my 600W PSU powerfull enough to handle both cards...or do I have to upgrade...and if so..what is the recommended minimum PSU wattage...

    Approx. 200W's is used by CPU & other components...
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