What are PCIe Slots in PC?

What are PCIe Slots in PC? pci 4 in pci 3 slot Like USB, PCIe is forward compatible This means that a device which requires PCIe will work in a PCIe or PCIe slot Slot Size Lane Width pcie 4 nvme in pcie 3 slot 4-3, per single PCI Segment Group show less , ECN, November 18, 2018 Errata for the PCI Express® Base Specification Revision , , Errata, October 31

pcie 4 nvme in pcie 3 slot Each generation of PCI Express sees great improvements to bandwidth , but remains backward-compatible with previous generation

pci e slot The following image shows the PCI connections of the motherboard used in DuroPC's IMB540-4 Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8 List of Motherboards with 3 PCI-Express x16 Slots: GIGABYTE B650 Gaming X AX V2, MSI X670E Gaming Plus WiFi, ASUS ROG Strix Z790-E Gaming WiFi II,