PCIe kaart in PCIe slot?

Solved: PCIE not running full speed pcie 3 0 in 4 0 slot SuperSpeed Storage：3*PCIe Connectors; EZ-Latch：PCIe x16 Slot with Quick Release Design; Fast Networks：Wi-Fi 6 & GbE LAN; Extended pcie slot cover PCIe is backward compatible with PCIe and PCIe , meaning that PCIe devices can be used in PCIe slots, although they will

pcie 4 slot PCIe x8 Gen expansion backplane with eight slots The OSS target backplane supports one PCIe Gen3 target adapter installed in the OSS target slot and up to