Gigabit USB 3 Ethernet Adapter that is compatible with the USB Dolphin.

Key Features

• Compatible with the USB Dolphin
• Supports connecting two devices without a switch (Auto-MDIX)
• Uses a Realtek RTL8153 with support for USB CDC-ECM

Disclaimer

• USB plug of the shipped adapters is black

This is not the only adapter supported by the USB Dolphin, and if you already have an adapter, it is likely compatible.
For instructions on how to determine if an adapter is compatible and an incomplete list of compatible adapters, visit the USB Dolphin GitHub page.