An Ethernet adapter is a device that allows a computer or other device to connect to a wired network using an Ethernet cable. It can be built into the device or added externally through USB or other ports. A wired connection is usually faster and more stable than Wi‑Fi.

Common uses: Connecting laptops to wired networks, improving internet stability, adding Ethernet support to devices without a built‑in port

Related terms: Ethernet Cable, USB to Ethernet Adapter, USB-C to Ethernet Adapter, Network Card, Router, Network Switch, LAN, Gigabit Ethernet, Modem, Wi‑Fi