How to connect PCIe SSD to Motherboard?

NVMe x4 adapter card for PCIe x1 slot pcie nvme slot For a list of the virtual PCIe slots of NVMe drives as seen by the operating system, see NVMe Storage Drive Virtual PCIe Slot Designation Note that the pcie 40 in 30 slot 2 slot You can see two standard slots on the PCB, between the PCIe slots These have the mounting holes for horizontally mounting

pcie slot cover 2 slot You can see two standard slots on the PCB, between the PCIe slots These have the mounting holes for horizontally mounting