Can you connect an SATA to an NVMe port?

You can have one, four, eight or sixteen lanes in a single PCIe slot, denoted as x1, x4, x8, or x16 PCIe technology enables interface speeds of

2 PCIe NVMe Adapter mit PCIe Bifurcation, unterstützt 2 x Now I wonder, what happens if I connect that PCIe switch to my PCIe x4 slot?

nvme slot types NVMe Drives can use 4 PCIe lanes, which means a theoretical maximum speed of Gbps Irrespective of the form factor, NVMe

nvme m2 slot laptop SATA is just a complete wasted slot ; all slots should be dual NVMESATA capable, or