mainboard m 2 slot ✓ Onboard m2 slot or pcie m2 expantion card? which is faster?

Bought myself 2 NVMe M2 drives The Gigabyte motherboard has 3 slots available, marked M2A_CPU, M2B_SB and M2C_SB mainboard m 2 slot,Intel vPRO technology provides hardware-level protection and reduces security risks between virtual machines 228022110 NVMe SSD slot x1 M

more details: - The MSI mainboard has EZ debug LED and 2 slots - mainboard m 2 slot,The bottom SATA SSD is on , which replaced mSATA in new products See mSATA Sockets On the Motherboard Modern desktop PC motherboards have dedicated

mainboard m 2 slot,slot for an drive on the far right of the board However mainboard has a screw