If you ever looked at a PCI to PCIe x16 adapter and wondered what’d happen ... even if high-performance graphics aren’t quite what PCI was meant for. After all, that’s why we got cursed ...

This is the maximum amount specified by the PCI Express standard for a x16 slot (PCIe 4.0 and 5.0 spec). If a graphics card requires more power, it will typically have additional power connectors ...