PCIEx16 drops to x 8 when M2 SSD is installed???

What Should to Do With Extra PCIe Slots? how to tell what pcie slot you have Still, you already got to know a bit about your hardware to distinguish, for instance, a slot connected to cpu from one connected to chipset how to book slot for driving licence Take a look at ls -l sysblocknvme0 which ought to tell you something interesting

how to understand slot machines You can check inside the slot how much of it actually has connectors I just don't know that I've seen a x16 slot used for x1 before