NVME M2 drives: which slot to use?

Supports 7th 6th Generation Intel® Core™ Processors; Dual Channel DDR4, 2 DIMMs; Ultra-Fast with PCIe Gen2 x2 & SATA mode support; 8-channel HD Audio

I have a SATA SSD from Samsung and a motherboard from AliExpress The specifications tell me the slot's interface is NVMe,

slot machines 777 replaces the Mini SATA standard and the Mini PCIe standard Employing a more flexible physical specification, allows different

slot dana 10 ribu 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