À quoi sert le port PCIe x1 ?

Dual PCI Slot To PCI-E 1X PCIe X1 Adapter Expansion Riser Card pcie 1x slot Your Nitro 5 An515-57-53SB has an RTX 3050 Ti GPU, so it has the following SSD slot 1x DisplayPort, 1x USB Type-C 90W port, 2x USB Type-B pcie 4 nvme in pcie 3 slot PCIe Gen 4 is the fourth and latest generation of the PCI Express specification x1, x2, x4, x8, x16 PCIe Gen 3 bandwidth, 1 GBs, 2 GBs, 4 GBs, 8 GBs, 16

pcie2 slot Maybe you have a hair or something else blocking a contact in your PCIe slot Or a bent socket pin Or a defective motherboard Or a defective