Not too sure if this is what you're asking but I swapped the PSU fan in my PC for a silent Papst thing. All I did was remove the PSU fan which was connected by a tiny 2-pin connector, cut the wires on ...
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.
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