Gigabit Desktop Network PCI Card lets you easily upgrade your desktop computer to full gigabit speeds. Backward-compatibility with your existing 10/100 network allows you to simply insert the Card into your computer and instantly provide your high-performance workstation with the speed to quickly transfer large video, audio, and graphic files throughout the network. It's so simple to install, you'll be moving files throughout your network within minutes. You don't have to worry about cable type. Compatible with all existing 10/100 networks and major operating systems.