Function: external; Interface: USB; Support network standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab; Number of RJ-45 connectors: 1; Supported: Windows XP, Windows 7, Mac OS, Windows 8, Windows 10, Windows 11; Support network protocols: IEEE 802.3, 802.3u , 802.3ab; Chipset: RTL8153;