You will recognize SSD: why some SSD have two notches?

m 2 sata ssd slot   Dan m2_1 slot

On your board, only one slot is connected to the chipset, M2_1, so it should be easy to find out which drive is in that bus with HWiNFO64 Two

Two types of SSD Note: SSDs using the PCIe x4 bus use M-keys since it is the only one that supports PCIe x4 lanes  2 SSDs It's important to note that not all of these slots will give you the maximum performance of the drives though, and typically only HEDT (High End

mummy power slot The BIOS indicates that by listing two slots, the NVMe and the SATA But unfortunately my Transcend SSD is not recognized Do not use an SSD without a heat-dissipation mechanism, such as a heat sink or heat transfer sheet Your SSD might come with these parts or