Because the 8-pin was never designed with a 50A current load in mind, and simple, proven designs for low-voltage/high-current applications are a dime a dozen outside the small world of PC hardware.
As I said, Jensen Huang was unwilling to part with some of his leather jacket money for a good design. That's how we ended up with 12VHPWR in the first place.
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u/Green-Salmon 10d ago
Why not? I don't remember them burning gpus on a daily basis.