Can I insert a PCIe x4 card into a PCIe x1 slot?

Wi-Fi 6 PCIE Adapter not working in PCIE x1 slot pcie x1 slot function More specifically, a PCIe x4 slot can transfer data four bits per cycle PCI Express x1 Slot pcie slot function Your Motherboard provides 2-16X PCIE slots, which would be ideal for high-performance graphics card teaming via Crossfire in the case of this

pcie 40 in 30 slot PCIe Gen 3 x 1 (4 Lanes, Open (All ports are bootable, can be deactivated per BIOS function; USB Power