ORICO PDM2 Dual NVME to PCI-E HDD Case Price in BD

Does any PCIe slot support NVMe SSD's automatically or do I need m 2 expansion slot 2 NVME to PCI-E Expansion Card #PDM2-BP 1 reviews Product Id: X4X6X16 Slots Color Black Warranty Warranty Details 1 year Additional m2 slot types * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot Does this mean

m2 nvme slot Expansion Card, NVMe to PCIe X4 X8 X16 Converter Card with Aluminum Heat Slot Riser Card Extender Extension Ribbon Flex Relocate Cable 20cm