10GbE or multi-gigabit NIC in PCIe x1?

Anything A pcie 4 x1 slot is a whole lot of bandwidth and could be used for any pcie card with minimal real world bottleneck GPUs would be

The PCIe x1 slot supports all types of wireless network cards, including the latest Wi-Fi 6 protocol However, a PCIe x1 slot can only support 1

pcie slot sizes x16 slot is the most capable slot of those and if you install an x16 supported card it works at fastest x8, x4 and x1 slots are

pciex16 slot configuration Yes, all PCI-E x1 cards will run in a x4, x8 and x16 slot I ran my wireless PCI-E x1 card in the 3rd x16 slot in my Maximus Extreme