Why do modern motherboards have so few PCIE slots?

The thing is, almost no one needs more than one these days because everything people used to need a PCI card for is built into the motherboard,

PCI Express is a computer expansion card standard and is used most often for video cards PCIe is intended as a replacement to PCI

pcieslot Enter the motherboard make and model number into your search engine Find the computer manufacturer site or specification sheet for your

pcieslot Types of PCIe Slots PCIe Lanes · PCIe x1: The smallest PCIe slot, which supports one lane of data transfer · PCIe x4: This slot supports four lanes of data