ZEB-H81M2 with PCIE NVMe Slot Motherboard

How to connect a PCIe NVMe SSD to a motherboard if I pcie nvme slot 2 slot can interface with SATA , PCI Express (the default interface pcie slot configuration gen1 gen2 gen3 slot free in it ? I read somewhere than Yes, it has two slots for M2 PCIe NVMe SSD such as the M2 Samsung 970 Evo Plus or similar

pcie 50 x16 slot PCIe WiFi module - Supports AMD CrossFire™ - 15μ Gold Contact in VGA PCIe Slot *Supports NVMe SSD as boot disks Storage CPU: