Inland nvme SSD Saying not presented in MSI Bios

Regarding the motherboard and the positioning of the NVMe SSD, this motherboard offers four positions , where the user can install an NVMe SSD

So how does that work exactly? We can look at a photo for Rock What was originally looking like dead board is hopefully saved and

what does ng slot guy do for a living Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs; HDMI, DVI-D Ports for Multiple Display; Ultra-Fast PCIe Gen3 x4 with PCIe NVMe & SATA mode support; High

what games does pg slot have 2 PCIe slot samsung-960-pro-m2-nvme Here's what it looks like installed m2-ssd