TL;DR: NVIDIA's RTX 5090 graphics card requires 4 x 8-pin connectors for 600W power officially, but can operate with 3 x 8-pin connectors at 450W, seemingly running only 5% slower in 4K benchmarks.
Now I understand the 6-pin is only rated to 75w and the 8-pin to 150w, but being as I'm pulling them off the Molex likes anyways (and it's a split rail setup anyways, so I can divvy up the load) can I ...