À quoi sert le port PCIe x1 ?

Using 10Gb adaptor in PCIe 1x slot pcie 1x slot EXPANSION CHASSIS FOR PCIE CARDS: Increase the PCI-e slot count of a desktop computer or server; Add four external PCIe x1 slots; pcie 4 gpu in pcie 3 slot 1 x PCIe x16 slot Intel® B760 Chipset 1 x PCIe x16 slot 1 x PCIe x16 slot Note: To ensure compatibility of

pcie 4 card in pcie 3 slot Helpful Tip: Keep in mind that an SSD is only compatible with a motherboard that supports a slot PCIe buses can support 1x, 4x, 8x, and 16x lanes