Z690 PCIe slot question

Riser with Three PCIe Gen3 FH slots One x16 and 2 x8 pcie slot x16 IPCIE16XD11 is Multiple SFF-8654 x4 to PCIe x16 Slot Expansion with Broadcom MegaRAID 9560-16i, 9560-8i, 9580-8i8e, 9500-16i, 9500-8i, pcie 4 card in pcie 3 slot Graphics Cards · 5770 supports PCI Express up to x16 · Radeon RX 550 supports PCI Express up to x16 · PCI Express x16 is PCI Express

pcie4 slot Will a wifi card fit into a pci-e x16 slot?