What are the top uses of PCIe x1 Slots?

What is PCIe ? pcie slot meaning Every PC, including commercial and industrial computing solutions, comes equipped with at least one PCIe slot, with some computers having pcie 50 slot PCIe is an interface standard for connecting high-speed components Every desktop PC motherboard

pcie slot sizes PCIe is short for “peripheral component interconnect express” and it's primarily used as a standardized interface for motherboard components