What are PCIe Slots in PC?

Will PCIe x1 x4 cards work in x16 slot? 1 x pcie 4 0 x16 slot The width of a PCIe connector is mm, while the height is mm, and the length is variable The 'minor' half of the connector is mm 1x bet slot Identifying Different Types of PCIe Slots

1 million megaways bc slot For example, you can fit a PCIe x1 card in a PCIe x16 slot However, you can't do the opposite You can mount, for instance, a PCIe x1 sound