Will PCIe x1 x4 cards work in x16 slot?

There are basically three four different types of PCIe slots: x1, x4, x8, and x16 pcie slot i

this mobo has three pci-e slots physically 1x16lanes ,2x1line What i found, the x16 slot is supporting only one pcie line according to

x16pciexp slot You can insert a PCIe x1 card into a PCIe x16 slot, but that card will receive less bandwidth Similarly, you can insert a PCIe x8 card into a

x16 slot Так что его легко определить по внешнему виду В PCI Express x16 можно вставить видеокарту, а в PCI Express x1 — совместимую плату расширения