Igor's Lab conducted an in-depth analysis of the power management system of the new NVIDIA GeForce RTX 5090 graphics card, including the way the card draws peak power within the tolerances of the ATX 3.1 specification. This analysis should prove particularly useful for those still on older ATX v2.51...
This isn’t actually much of an issue.
Although it is frustrating that when Nvidia regularly technically breaks the PCIe spec, people don’t really care. AMD did it with the RX 480 and everyone from written media to half-informed youtubers were out to get them over it.
Market-leader advantage I guess.