Can I put a PCI-E x16 gpu in a PCI-E x16 slot?

Can I put a PCI-E x16 gpu in a PCI-E x16 slot? can you put a pcie x4 in a x16 slot While not optimal, what happens if you put the Startech card into PCIE_4? Will it work then even though your GFX card will only be at 8X? Merely candy dreams_ sweet planet slot My mobo manual says that the x16 slot is for a GPU, but more googling has revealed that others have plugged a x1 raid controller in the slot

candy dreams_ sweet planet slot x' denotes how many PCIe lanes the slot has As you will find out in this

can you use ddr4 in ddr5 slot PCIe X16X8X4 Card EC-PCIE! Do not worry if you have filled all your slots with PCIe x4: 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