The real fix is probably to go back in time and have PCI-e 3.0 revamp the power delivery to allow more than 75W to come from the slot.
And where would that pcie slot pull its power from? That's right, another connector somewhere on the motherboard. You'd just be moving the issue elsewhere.
And where would that pcie slot pull its power from? That's right, another connector somewhere on the motherboard. You'd just be moving the issue elsewhere.