USB 2.0 Gigabit 10/100/1000 Ethernet Network Adapter, Intellinet 502245 Up to 3 times faster than USB 2.0 to Fast Ethernet adapters Add a network connection without opening up your PC Perfect for both desktop and notebook computers Hot swappable (no need to power down), plug & play installation Supports the most popular operating systems: Windows 2000, XP, Vista and Windows 7