A USB 3.0 to RJ-45 Ethernet adapter is a compact, portable peripheral that adds a high-speed Gigabit Ethernet (10/100/1000 Mbps) port to devices lacking one, such as laptops, MacBooks, and Nintendo Switch. It offers a faster, more stable wired connection than Wi-Fi, utilizing USB 3.0 to deliver speeds up to
(backwards compatible with USB 2.0).