There are also eight PCIe 6+2 pin connectors (four dual/four single) for everything else, including the RX 7900 XTX I'll be installing. Onto the build; the first step is removing the 850W G2.

We've seen plenty of Nvidia cards fall afoul of these problematic power cables, but this is a first for team red.

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.

HIROSE ELECTRIC BK11 Series multi-power hybrid FPC-to-board connector is equipped with two main power contacts supporting 4A ...

BTF 2.5 raised the ceiling to 1,000W, and Yu's demonstration nearly doubled that figure while maintaining safe temperatures. When delivering 607W to the GPU, the GC-HPWR connector stayed around 35°C.