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

z370 + 8700k + + PCIe question about PCIe lanes sharing m 2 slot with pcie x4 lanes Typically, a or drive uses four PCIe lanes I would like to operate or drives with only one or two lanes per drive instead m24 slot Client PCIe NVMe SSDs typically only use the 2280 form factor because its slim design allows it to easily fit into desktop and notebook PCs Enterprise-

m2 pcie slot Just as an example the very popular 918+ and 920+ are both limited to PCI-E and also only offer a maximum of two lanes per NVME drive