M.2 4×1 Card New M.2 card for the ODROID-H4 and ODROID H3 Series The M.2 screws are pre-installed. (4 pcs) The M.2 4×1 card, provides four M.2 PCIe Gen 3 x1 lanes connectors instead. You find this BIOS on the Wiki pages for the H3 and H4.
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