What are PCIe Slots in PC?

What are PCIe Slots in PC? pcie 8x slot Every PCIe slot supports its own number of CPU lanes X16 has 16 Lanes support, X8 has 8 Lanes support, X4 has 4 lanes support and x1 has pcie 30 x4 slot In the case of the OP's MOBO, the blue PCI-e slot on the top is assigned x16 The two little slots under it are x1 each The black slot is x4,

pcie 30 x4 slot pcie x8 slot for the 10Gbs network card It could even just be a micro form factor motherboard with a pcie x8 slot that i need to build

pcie 3 slot PCIe slot as you have a Non G Processor that top slot should be running at full x16 speed the Top is coming Directly off the Last 4 PCI-E lanes