Riser Modules and PCIe Slots

What Are PCIe Slots And How Can I Use Them in My PC - pcie slot sizes Slot power ; x1 cards are limited to A at +12 V and 10 W combined ; x4 and wider cards are limited to A at +12 V and 25 W combined ; A full- pcie 20 x1 slot Cheaper motherboards with more budget-oriented chipsets might only go up to a single x8 slot, even if that slot can physically accommodate an

pcie 40 in pcie 30 slot Can someone explain me the PCI-E slot variations & sizes of Motherboard to GPU? Read specs below · 1x PCI-E x16 @ x16 number of slots