What are the top uses of PCIe x1 Slots?

In Linux, is there a way to find out which PCI card is plugged into pci e slot is a form factor, there are a few variants for different applications, but the variant we are interested in for NVME SSDs is M key This pci 1 slot 1 Another GPU That's right, more GPUs! · 2 PCIe USB Hub Card For a standard motherboard with extra PCIe x1 slots, utilize them by adding

pcie x16 slot How to Enable a PCI Express Card Slot · 1 Open the BIOS menu · 2 Select the “Advanced” tab using the leftright arrow keys · 3 Select the “Video