NVME SSD to PCIe Adapter Card 64Gbps M-Key

Can You Help me Understand This SATA NVMe PCIe SSD Gen m 2 pcie 4 0 in 3 0 slot Here is my dilemma My ASUS Z790 Prime P Mobo has Three slots Here are the specs: Intel® 13th and 12th Gen processors: _1 slot (Key m2 pcie slot SSD when it cannot be plugged into a motherboard slot My Glotrends PCIe NVMe

m2 slot mainboard All PCIe Generations slots and slots are backward compatible so there is no need to worry about purchasing the wrong expansion card or NVMe SSD But you