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XFX 4770 dual slot fan power supply requirement

Last response: in Graphics & Displays
a b ) Power supply
June 9, 2009 8:02:29 PM

I see requirement on the website

450W for single card, 550W for DUAL CSF

It's said on the XFX package, at least 500W with two 75W 6pins, and 600W with four 6 pin for dual mode CSF.

I going to get 550W one for CSF. is this going to be enough or less effective?
June 9, 2009 8:13:07 PM

To my knowledge, each 4770 pulls 80w max. So 550w seems like more than enough so long as you've got more than a single 12v rail. So long as you dont have a ridiculous overclock on your CPU, and/or loads of other peripherals.