Using a PCIe x1 card in a PCIe x16 slot

PCIe slot shenanigans pcie 1 slot Riser with Three PCIe Gen3 slots 1 x16 FH 1 x8 FH and 1 x8 LP at least 2 processors R740XD CusKit The Riser from Dell™ fits into pcie 50 x16 slot #1 I have a Z690A WiFi mobo with a 12900K Intel i9, and am seeing conflicting information about whether PCI_E4

pcie slot x16 Although PCIe x1 slots have one PCIe lane, they are still useful, and in some cases, use a PCIe x1 slot instead of a larger slot like PCIe x16