2.5Gb High Gigabit Speed USB 3.0 to Ethernet Adapter USB C/USB A to Ethernet Adapter Adapter supports 10/100/1000/2500 Mbps via a USB C 3.0 port which is widely used on many electronic devices. 2.5Gbps is 2.5x faster than 1000Mbps Gigabit Ethernet and wireless connections. * USB 2.0 only supports 10/100 Mbps. To 2.5Gbps requires all devices conform to the latest IEEE 802.3bz standards supported. Plug & Play Thunderbolt 3/4 to Ethernet Adapter plugs and plays on Mac OS (Big Sur or later) without driver installation. Windows 11/10/8/7, the elementary driver can be found in "My Computer" once this Adapter is connected to the system. Linux Kernel 5.15 or later, RTL8156b support has been added. *Note: NOT compatible for Nintendo Switch. If test is not 2.5Gbps or system does not recognize it, please install the latest driver from Realtek official website (USB 2.5G, not PCIe 2.5G).* Stability & Security USB A/C Ethernet Adapter adopts the latest version 2.5Gb