pcie 3 0 x16 slot ✓ can we install PCIE x16 graphics card in PCIE

You can insert a PCIe x1 card into a PCIe x16 slot, but that card will receive less bandwidth PCIe , PCIe , PCIe , PCIe and PCIepcie 3 0 x16 slot,I have a single PCIe 3 x16 slot currently occupied by an LSI 9311-8i HBA The HBA takes 8 lanes, and I'd like to see whether I can somehow have a splitter card

For example, you can install a PCI Express x1 adapter into an x16 slot (but For ease of comparison, Table 5-3 shows throughput in both bps and Bps pcie 3 0 x16 slot,For example, if you connect a PCIe expansion card to a PCIe slot, the card will perform to the PCIe specs PCIe Gen 4 offers

pcie 3 0 x16 slot,In ASUS 「PCIe x16 Slots - 3」