Solved: Sata or NVMe supported?

2 M key slots have five pins and support SATA, PCIe, and NVMe protocols They are typically used for high-speed SSDs and other high-performance peripherals

2 slots will support both SATA and NVMe SSDs Make sure to check what SSD technology your motherboard can support Advantages:

m2 sata slot Type: SATA TO SSD · Designed For: LAPTOP, COMPUTER · Weight: 25 g

m2 pcie slot 2 at the x40 generation which was very late 2013 early 2014 So, the x40 and x50 generation support 2242 SATA SSDs mostly for caching purposes