Upgrading and Installing SSDs on MSI Motherboard

msi slotI have installed the Samsung SM951 M.2 drive in my MSI SLI Plus motherboard as a boot drive. But in the MSI Guard Pro BIOS, there are a couple settings that are confusingBest AMD AM4 B550 MATX motherboard, lhtning PCIe 4.0, lhtning M.2, USB 3.2 Gen 1, M.2 heatsink, wifi AC, powerful overclocking, MSI