What is PCIe and how, exactly, do these components work?

PCIe Gen 4 vs Gen 3 Slots, Speeds pcie slot meaning PCIe is available in a different physical configuration which includes x1, x4, x8, x16, x32 The motherboard has a number of PCIe slots to pcie 40 in pcie 30 slot Every motherboard has a varying amount of PCIe slots that are used to connect PCIe peripherals like GPUs, SSDs, capture cards, etc PCIe was introduced in

pcie gpu slot PCI Express , officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard,