PCIe Expansion card and Bifurcation

M2 PCIe SSD Adapter m2 expansion slot Expansion Card, NVMe to PCIe X4 X8 X16 Converter Card with Aluminum Heat Slot Riser Card Extender Extension Ribbon Flex Relocate Cable 20cm m2 vs nvme slot So someone please enlighten me about what kind of Expansion Slot it is 2 ssd in socket or in PCIe slot using PCIe adapter? Hot Network

m2 slot mainboard 2 NVMe PCIe x4 SSD Adapter for PCIe x16 Expansion Slot, accommodating four NVMe SSDs in a compact space with transfer speeds up to 64Gbps per drive