Question - NVME SSD on Sata slot

Question - NVME SSD on Sata slot m2 sata vs nvme slot 2 replaces the Mini SATA standard and the Mini PCIe standard Employing a more flexible physical specification, allows different module m2 pcie slot 2 standard contains variants with up to four PCIe lanes, one SATA 6 Gbs and or one USB port So it is possible to connect PCIe as well as SATA SSDs

m2 pcie slot ALKETRON - H81-DDR3-LGA1155 - i3i5i7 4th and 5th gen processor - SATA + NVMe Slot with toggle Switch; SATA Slot; HDMI + VGA

m2 slot Can I use an M2 SATA in an NVMe slot A slot that can do SATA will have the M key andor B Can I use an M2 SATA in an NVMe slot A slot that can do SATA will have the M key andor B