PCI-e 1X4X Open Back Card to M Key 4 Lane PCIe Slot Adapter

PCIE slot configuration in bios? 4x pcie slot The adapter card I am looking at can be used in a X4, X8 or X16 PCIe slot and they say I will get up to 32Gbps when it is plugged into a PCIe 4x4 joker slot Also generally you don't get that many PCI-E lines from CPU to make 4x PCI-E to operate even at x8 and NVMe take even more lines For new

4x4 mega slot For example, if you connect a PCIe expansion card to a PCIe slot, the card will perform to the PCIe specs PCIe Gen 4 offers