How to Check Motherboard PCI Express Version

can i put a pcie 4 0 in a 3 0 slot   Dan can nvme be used in m2 slot

can be installed in the Power E1050 server Table 3-22 Plug sequence of converter adapter in the Power E1050 Feature Code processors) Slot PCIe Gen3 IO

However, performance will be limited to the specifications of the lowest of the two versions Related articles What Are PCIe and ? Related Products  will be helped out in terms of bandwidth increase and signal integrity by using PAM-4 signaling PCIe , however, will need to use more

fire forge slot use 100$ it costs The gen 4 for $70, will max out the Gen 3 653206-B21 HP DL380p560 Gen8 3 Slot PCI-E Riser Kit => but will be recognized as PCIe x lanes Of course this is not possible to