What is PCIe Bifurcation? -

Thus, A PCIe x16 slot provides 16 lanes for data transfer, making it the slot with the highest available bandwidth among the commonly used PCIe configurations

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

pcie 4 card in pcie 3 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 4 gpu in pcie 3 slot What is PCI express card? How many types of PCIe cards are there? What does PCIe x8, or PCIe x16 mean? Can I use a PCIe card in a slot