How to Check Motherboard PCI Express Version

can i use pcie 4 0 in 5 0 slot   Dan can i put ddr3 in ddr4 slot

A PCIe 4 is backwards compatible with Gen 1, Gen 2, and Gen 3 while Gen 1, 2, or 3 can slot into a Gen 4 And with the release of PCIe Gen 5

The card cannot use more lanes that electrically offered by the mobo slot No, a 16-lane PCIe card will not work at full speed in an 8 lane The card cannot use more lanes that electrically offered by the mobo slot No, a 16-lane PCIe card will not work at full speed in an 8 lane

slot machines slot PCIe Gen 5 is expected to deliver theoretical read speeds of 14,000MBps for NVMe SSDs, compared to the theoretical maximum of 8,000MBps on PCIe While true built paying PCIE prices and not using the full drive spec would be rather dumb Waste on money Now having a PCIE supporting Motherboard is