Whem making the Classified I did take precaution to increase trace thickness for the 4 PCIE slots for the 3 groups of power. As before when overclocking quad fire 3870 I found they eat a lot through pcie slots.
This way the trace does not burn up, or restrain cards oc in quad fire.
However as there are only 2 +12v yellow wires, the connectors thus get hot at the 24pin ATX.
I myself have melted the 24 pin ATX connector when running 4 x 4890 oc. I dunno why these cards draw so much from slots, the nvidia cards dont seem to
Anyways if you are one of those quad fire guys this may help you.
This should fix you up.
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