Which Slot to use?

What is an slot on a motherboard used for? pc m2 slot Agni by SkullSaints Mini PC – Intel Alder Lake-N95, Vibrant LCD Screen, SSD, Mini Tower with RGB Lights, WiFi 5, 4K UHD, Dual LAN for Home and Office pcie 3 slot Fix 2 Enable SSD in BIOS Step 1 Restart PC and press F2F8Del to enter BIOS Step 2 On the Main menu, expand SATA Configuration Step

pcie 20 x1 slot An slot is a type of expansion slot found on modern motherboards that is primarily used for connecting solid-state drives