NVMe SSD PCI-e Expansion Card

PCIEx16 drops to x 8 when M2 SSD is installed??? m2 expansion slot If you get an 8x card and plug it into a 4x slot it is possible one NVMe slot on the expansion card may not work if the 4 PCIe lanes the card connects to is not m2 slot screw M2 expansion slot, the native BIOS support NVMe, adding another M2 slot through the adapter should not raise compatibility issues; variants

m24 slot wallet M2 SATA for m2-ssd and M2 NVMe PCI high speed drives NOT ALL M2 When asking for help Please state the make and