What NVME speeds should I expect from this motherboard's PCIe

If you're someone in need of a clever PCIe x16 adapter to add more quick storage into your system easily, this PCIe x16 Enclosure

Through its Peripheral Component Interconnect Express bus, NVMe SSDs can achieve transfer speeds of up to 20 gigabytes per second —

nvme pcie 40 in 30 slot NVMe is a standard for storage over PCI express

nvme slot types 2-1 slot, nothing both in bios and windows does not detect the ssd, updated latest bios, updated chipset The operating system is installed on