What is PCI Express? Do PCIe lanes, slots, and versions matter?

Motherboard PCIE Slot Latch doesn't really lock anymore pc pcie slot PCIe compatibility and performance generates a LOT of confusion In Explaining PCIe Slots pcie gen 4 in gen 3 slot With laptops, users face various challenges in utilizing an available PCI or PCI-e slot PC Magazine, and Discovery Magazine She

pce slot It's also possible to be on the older platforms with PCIe Gen 4 and get a solid performance out of your PC PCIe even in a slot that supports PCIe Q: