This motherboard has three M.2 slots and six SATA 6Gb/s ports, for great storage expandability. The M2_1 slot is connected directly to the CPU and is able to achieve PCIe 4.0 x4 NVMe performance with 11th Gen Intel CPUs. Otherwise, it will run at PCIe 3.0 with 10th Gen Intel CPUs. The two other M.2 slots, M2_2 and M2_3 have their lanes pulling from the Z590 chipset and therefore only support up to PCIe 3.0 x4 no matter what.
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