PCM1000, Gigabit Notebook Adapter Gigabit networking for your notebook computer! # 32-bit CardBus PC Card 10/100/1000Mbps Ethernet network interface # Integrated pop-up connector folds flat when not in use -- no dongles to lose or break # Low power consumption conserves battery life # Automatically adjusts to 10Mbps, 100Mbps or gigabit network speeds