Personally I wont Xfire these, I would use a single 5770 and when it will not be enough sell it and get a higher end card. I am clueless for the 4770-5770 cross fire sorry.
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Martin_metal_88
Colenzo : See system spec!
Odysseus : I7 860 @ 3.6Ghz || GA P55-UD5 || G.skill Ripjaws F3-16000 2000Mhz 2X2GB || Coolermaster ATCS 840 || Silverstone Strider plus 850W || WD 640 black - WD 1TB green - Samsung F3 2TB || MSI 5670 1GB Cyclone ||Coolermaster Hyper 212 + ||
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