What exactly does the spec “PCIe x16 slot ” mean?

What is PCIe Bifurcation? - pcie slot meaning The slot capability is required for Root Ports if a slot is implemented on the port Slot status is recorded in the PCI Express Capabilities register pcie 4 in pcie 3 slot ssd Most new high end graphics cards are normally dual slot now days, so that means the card chosen most likely cover two

pcie x16 expansion slot The initial PCIe specification defined a Gbs data transfer rate per A x1 electrical card in any compliant PCIe slot will always run in x1 electrical mode