ODROID-H2/H3/H3+ Net Card
The ODROID H2/H3/H3+ Net card adds 4 additional 2.5 GbE Ethernet ports to the H2, H3 or H3+. Using a H2/H3/H3+ you end up with a total of 6 x 2.5 GbE Ethernet ports.
The ODROID H2/H3/H3+ with the ODROID Net card brings new capabilities and applications. For example you can implement a router or gateway for up to 5 (H2/H3/H3+) clients at 2.5 GbE speed on each port.
You have to flash GLK-ESF BIOS to use Net Card.
More information is available on the website of Hardkernel.