Occupying M2 slot on the motherboard with SATA SSD

Does any PCIe slot support NVMe SSD's automatically or do I need which m2 slot to use SATA SSDs and SSDs that use two PCI Express lanes tend to use keys B and M to maximize compatibility, since both connectors can deliver both which slot machines pay the best 2 form factor slot none of mentioned NVMe drives will work As it goes for throttling

which slot games pay the best Which slot to use for Boot when using two slots Total newb question, first time building using NVME storage only My MB, Gigabyte B550 Aorus Elite