The official GT300/Fermi Thread

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Still the power consumption must remain under 300 W in PCI SIG's internal testing, otherwise the card does not meet PCI-Express standards and hence can not be sold as PCI-Express compicant device. Oh and there is only talk about 6+8 pin in the standard, as far as I know.

Bullcrap the MARS uses over 450W at peak. As mentioned, the PCI-e slot and the cables can supply way more power than they're rated for. If worse comes to worse, they just won't advertise it as PCI-e compliant

I mean it is THEIR product, just because it doesn't pass PCI SIG testing, how can they prevent them from releasing it? Perhaps they will be paid off by nvidia.

I agree completely. Just as you said, it's probably a lot harder to keep newer parts fed the wider their SP engine gets. I actually think the utilization goes down significantly as the SPs go up, resulting in poorer efficiency with each subsequent generation.

That is a much larger problem for ATI than nvidia.