hyper slotThe mobo has three M.2 slots, including one that's described as: 1 x Hyper M.2 Socket (M2_1), supports M Key type 224222602280 M.2 PCI Express module up toIt is correct that the M2_1 slot doesn't work. The reason is that a 10th Gen CPU, does not have enough PCIE lanes to enable this slot.