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.
The very latest 12V-2x6 "H++" power connectors have been shipping on NVIDIA's latest GeForce RTX 40 SUPER series graphics cards, offering higher power delivery than what the 12VHPWR "H+" power ...
If you're reading this site, you probably are well familiar with the controversy over the 12VHPWR connector used on NVIDIA's recent graphics cards. This connector is a smaller-scale twelve-pin plug ...