Cannot find PCIe NVMe SSD during Windows 11 installation

nvme gen 4 in gen 3 slot   Dan nvme m2 ssd slot

2 drive may support SATA or PCIeNVMe but not both Depending on the drive, and what the computer can support, not all drives work in all

Gen-4-PCIe-NVMe-M-2-SSDpCSSD-F2000GBMP600 PCIe - GEN 4 NVMe drives are so much faster than SATA drives PCIe — the PCI Express standard current generation — has a maximum speed transfer of 985

wild buffalo slot NVMe SSDs, even the last-gen PCIe Gen 3-based NVMe SSDs, are immensely faster than this Once you start pushing further beyond into NVMe Gen 4 slot) In fact I've even successfully used a x4 adapter advertised as PCIe to run a Gen 4 drive at full speed in a PCIe slot: WD