What does the X4 mean in an PCIe Gen X4 NVME drive?

My first motherboard runs the 3x full size slots in a PCIE 4x configuration, with the single slot at 1x configuration How can I change

My first motherboard runs the 3x full size slots in a PCIE 4x configuration, with the single slot at 1x configuration How can I change

4x4 slot pg The PCI 4 slot expansion box makes it possible to expand your systems PCI slot availability by adding 4 additional slots Very easy to install and connect, the

4x4 joker slot Slots • 3 x PCIe x16 slots • 4 x PCIe x1 slots With Z170 you only have 16 PCIE lanes to