USB PCIe card in x16 slot?

Uses for PCI-e x16 Slots OTHER THAN GPU's? : rhardware pcie x 16 slot PCIe x16 est un slot sur une carte mère qui possède 16 liaisons de données appelées PCIe lanes Il s'agit d'un emplacement offrant le débit le plus élevé et pcie 4 gpu in pcie 3 slot The number of lanes that a PCIe device supports is typically expressed like “x4” for 4 lanes, “x8” for 8 lanes, and so on x1, x2, x4, x8, x16 PCIe Gen 3

pcie 4 nvme in pcie 3 slot PCIe x16: This is the largest PCIe slot with 16 data lanes PCIe x16 slots are associated with graphics cards and provide the highest bandwidth