SATA M.2 are not compatible.
NVMe PCI‑Express M.2 are supported. Slot does not use PCIe Gen3 speeds so Gen2 x4 (20 Gb/s) is maximum speed. Installing a PCIe Gen 3 M.2 will run at PCIe Gen 2 speeds.
*If PCIE3 is occupied, M2_1 will be disabled.
The M.2 socket does not support SATA M.2 SSDs.