Lenovo compatible 20.00cm (8.00in) USB 2.0 to Gigabit Ethernet NIC Network Adapter can connect any USB 2.0 compatible PC or laptop to your network. Using an RJ-45 etherport port, it connects at gigabit speeds. Backwards compatible with USB 1.x ports, this small and lightweight, portable USB Gigabit network adapter is the ideal network adapter accessory for home or office use. 20cm (8in) Adapter Cable to fit your application needs USB 2.0 (A) to RJ-45 for connectivity with ease Application and environment tested and guaranteed to work