What is an mSATA SSD ?

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

2 SSD Please refer to your motherboard documentation for details) Socket 3: SSD Drive Socket with SATA or up to four PCIe lanes

m2 sata vs nvme slot 2 SATA interface is provided for SATA SSD access using the PS-side bank 505 GTR transceiver This Figure shows connector U40 The socket 2 SATA adapter

m2 expansion slot On the contrary, the L-series among others can only support cards using the PCIe standard in the WWAN slot SATA port) is provided on the Intel Support