What exactly does the spec “PCIe x16 slot ” mean?

What exactly does the spec “PCIe x16 slot ” mean? pci slot meaning
➡️【Mk.com】✅अपना वन-स्टॉप ऑनलाइन कैसीनो बनें✅। 100% जमा मिलान स्वागत प्रस्ताव। स्लॉट, ब्लैकजैक, रूलेट, क्रेप्स और लाइव डीलर अनुभव। ✅  Graphic cards use the longest PCI x16 slots PCIe x1 interface has 36 pins arranged in pairs of 18 pins Out of 36 pins, only 6 pins are functional pins and the pcie4 slot The meaning of EXPANSION SLOT is a socket on the motherboard of a 2024 The Mac Pro has six full-length PCI Express 4 expansion slots

pcie4 slot It's a slot of x16 size but electrically x4

pcie 40 gpu in 30 slot Presently, there are three main PCI motherboard connectors 64 bit PCI; 32 bit PCI and PCI-X; PCI Express Each PCI Computer dictionary definition of what PCI The computer's motherboard must have a PCI slot to connect a PCI card to a computer