1 x PCIe 4.0 x16 slot (supporting x4 mode or x4/x4 mode for ROG HYPER M.2 card). When the ROG Hyper M.2 card is installed in the PCIEX16(G5), the Hyper M.2_1 slot supports only PCIe 4.0x4 mode. When the ROG Hyper M.2 card is installed on the PCIEX16(G3), the Hyper M.2_1 slot supports only PCIe 3.0 x4 mode.
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