PCIe slot and SATASATA Express confusion

What exactly does the spec “PCIe x16 slot ” mean? pcle slot 1 PCIe x16, 1 PCIe x16, 1 PCIe x1; AMD Quad It also ensures the heavy graphics cards to be well-installed in the PCI-E slot safely pcle x16 slot Special features of SSDs: The slot is not only reserved for SSDs with a PCIe controller There are also combination slots that can

pcle x1 slot So, there is no singular PCI Express slot There are actually four sizes : PCI Express x1, PCI Express x4, PCI Express x8, and PCI Express x16