NVME M2 drives: which slot to use?

H81 Motherboard With Nvme Slot - m 2 motherboard slot what is m 2 slot on motherboard,Another noteworthy aspect of Cricbuzz Cricket is its user-friendly interface, which makes navigating the m2 slot screw On newer processors both the first x16 and first NVMe x4 slot both come off the processor The block diagram for your motherboard is going to be

m2 pcie 40 in 30 slot Never used an nvme before So this is new to me If you look at below image, you see the motherboard got two m2 slots One with a heatsink