running crossfire and power consumption

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Joined
27 Mar 2011
Posts
65
Hi i have a ati 5850 and my mb can take 2 ,What power would this use ,Do i need to upgrade my psu

Heres spec .

XFX PRO 550W
ASUS P8P67 PRO
I5 2500K
2, 1TB Hard drives
ati hd 5850

Would running 2 5850 with whats in now be a no go .Would i need bigger psu?

If so i would like one that could take a lot with upgrades ect any ideas .
I have 3 pci express slots on mobo ,shame cant run 3 graphics cards :D

Thanks
 
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