NVME M2 drives: which slot to use?

The SATA3 4, 5 connectors will become unavailable when a device is installed in the PCIEX2 slot 2 x PCI Express x1 slots

The PCI Express standard is one of the staples of modern computing, with a slot on more or less every desktop computer made in the last

ws77 slot PCIe x16: This is the largest PCIe slot with 16 data lanes PCIe x16 slots are associated with graphics cards and provide the highest bandwidth available

4king slot slot; but, there is a note in the manual stating: Due to a hardware limitation, the PCIEX1_1 slot can only accommodate a shorter PCI Express x1