DESC: The U.S. Robotics 56K Performance Pro Modem brings home and small business users the superior performance of controller-based online communication for faster throughput. It also means that users aren't limited to Windows-based applications. This modem supports Linux and Windows, so it will work with a wide range of business applications and games. And speaking of games, you can switch the Performance Pro Modem into gaming mode any time you're ready for some online competition. Enhanced performance settings give you quicker response times. And when it's time to go back to the real world, just turn the gaming mode off the modem automatically returns to its normal configuration.