USB 3.0 to Gigabit Ethernet Adapter - USB Type-A Connector to RJ-45 Ethernet Port - Super speed USB 3.0 - Supports suspended mode and remote wakeup - Supports full and half duplex in gigabit Ethernet Mode - Backward compatible with USB 2.0 and 1.1 devices - Advanced Power Management to reduce power usage during idle or light traffic period. - Supports Microsoft Windows 8/7/Vista/XP SP3 - Supports MAC OS 10.6 to 10.8.