What are the top uses of PCIe x1 Slots?

Thank you for posting in Intel Ethernet Communities The Intel Ethernet Network Adapter I225-T1's System Interface Type is PCIe In

PCIe slot will run at the lowest denomination speed The most common PCIe slot currently in use are PCIe x16 slots, PCIe x4

pcie 4 gpu in pcie 3 slot It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead

pcie gpu slot slot For example, inserting a PCIe card on a PCIe slot will give you PCIe performance The table below provides a comparison of