What is the difference between a PCIe x1, x4, and x16 slot

PCI, PCI-X, and AGP have been replaced with PCIe , which is also seen as PCI-E A PCIe x1 adapter can fit in an x1 or higher slot

I cut open the back of a x1 slot on my motherboard to allow me to fit a full size GPU

pcie slot qrelease Your Nitro 5 An515-57-53SB has an RTX 3050 Ti GPU, so it has the following SSD slot 1x DisplayPort, 1x USB Type-C 90W port, 2x USB Type-B

pcie slot gpu 1 additional PCI-Express x1 slot is needed