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.

where we now know that their new Navi 31-powered graphics cards will feature 3 x 8-pin PCIe power connectors. We have also learned that SAPPHIRE's upcoming Radeon RX 7900 series NITRO graphics ...