Can I Use a PCIe NVMe SSD in a PCIe Motherboard Slot?

so, Supports NVMe is not accurate as to what drive to get, you CAN use , even in a Gen4 slot

when looking at NVMe SSDs With the previous generation, the maximum bandwidth available on an slot with its four PCIe lanes was 4GB

nvme 40 in 30 slot 2 NVMe SSDs occupy a single x4 slot]; PCIe x8: expansion cards with Samsung 980 PRO PCIe NVMe SSD 500GB · Samsung 970 EVO PCIe NVMe SSD Plus 500 GB

nvme m2 slot NVMe SSDs Chapters: