What is an slot on a motherboard used for?

What is an slot on a motherboard used for? m2 slot mainboard Thus the need to check your Mobo Specs on lanes Generally the OS Drive in the first Slot I was thinking about the m2 slot Thus the need to check your Mobo Specs on lanes Generally the OS Drive in the first Slot I was thinking about the

m2 slot So I have a bit of confusion here on which Slot do I use Motherboard manual says following -For 3rd gen AMD Ryzen Processors, the _1 supports PCIe

m2 sata vs nvme slot M2 slots that is not shared with the GPU PCIEx16 slot However, in MOBO Intel i7-6700K Processor  slot has any pcie lanes or not and what gen they are my current mobo has a gen3 and 4 slot, so i use the fast drive for bootsoftware