The ASUS XG Station is a device designed to provide external graphics processing power to laptops.
It includes USB 2.0 ports, a headphone jack, and a large knob used to control various settings such as overclocking.
[1] The EN7900GS graphics card is an Nvidia GeForce 7900 according to an article from the Inquirer,[2] and can be swapped out for another one.
A January 2008 publication[3] renewed speculation that the device was approaching production, and the XG Station reached limited release in May 2008.
[5][6] Additional references This video game-related article on computer hardware is a stub.