A x1 PCIe card can be detected in pcie x16 slot?

PCIE x16 slot only running my RTX 3080 at x4 (8GTs x16 slot List of Motherboards with 4 PCI-Express x16 Slots: ASUS Pro WS TRX50-SAGE WIFI, GIGABYTE A620M C, GIGABYTE B650M C V2, ASUS Prime B760M-A AX, GIGABYTE B760M x16pciexp slot The Riser from Dell™ fits into the PCI-E slot of your Dell System Riser cards are used to extend a slot for a chip or card in a fully loaded computer

promo slot 17 agustus These have four PCIe lanes, and they also can fit into a x16 slot Often used for single NVMe SSD expansion cards, they are also used