M.2 4x1 Card for ODROID-H4

The M.2 4×1 card, provides four M.2 PCIe Gen 3 x1 lanes connectors instead. It allows you to use four M.2 devices: any combination of NVMe drives, Network adapters, WiFi adapters, 5G adapters, etc that leverage the bandwidth of PCIe Gen 3 x1 lane.

More information is available on the website of Hardkernel.