PSU for dual GPU configuration

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Joined
14 Jan 2007
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77
I was wondering whether this power supply unit would be suitable for running a dual GPU setup with 2x NVidia 8800GTX graphics cards.

http://www.overclockers.co.uk/showproduct.php?prodid=CA-004-CS

It has 3 x +12v rails all at 18A - some sources say this should be enough, but then other places I've looked recommend anything up to a 1000w PSU and this one is only 620w.

It's not so pressing at the moment since I will only be running a single 8800 for probably 6 months or so, but I am looking to get the second one when they become slightly cheaper. I will also be upgrading to an Intel quad core processor at some point aswell, when they don't cost £500 each, in the meantime it's going to be a Dual Core Pentium D 930 3.0Ghz. Do you think that this 620w PSU would be able to handle all of that?

Thanks for your help!
 
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