Are my PCIe x1 slots PCIe or ?

What is PCIe? Understanding PCIe Slots, Cards and Lanes pcie 2 0 x1 slot 24U The X570 TUF does not come with an X4 slot and I'm not sure if I'll be using the second PCIE X16 slot for something else I have lying pcie 8x slot 1 x PCIe x1 slot

pcie 4 in pcie 3 slot PCI Slot x 3 30423052 B-Key x 1 Mini PCIe Slot x 1 Micro SIM Card Slot x 1