Dell Graphics Amplifier (9R7XN)

Key Features and Benefits:

• Enhanced gaming experience
  Supercharge your at-home gaming with the Alienware Graphics Amplifier. Simply plug in and enjoy a full desktop experience - immersive graphics and big performance. The Graphics Amplifier boosts any gaming experience with support for full-length, dual-wide graphics cards and provides even more connectivity to your setup with a built-in, powered, 4-port USB 3.0 hub.
• Desktop-class gaming graphics
  Gamers often have to compromise. They choose a notebook for prioritized mobility, but miss out on some of the performance and graphics experience only a gaming desktop can provide. Alternatively, they enjoy truly intense at-home play, but stay chained to the desk. With the Alienware Graphics Amplifier there is no need to compromise - it delivers desktop-class, high-performance gaming graphics even to the most mobile laptop.
• Support for advanced graphics cards
  The graphics amplifier includes a 460 Watt internal power supply so you can run advanced graphics cards confidently. As you reach higher pinnacles of gaming and technology evolves, you can upgrade your graphics cards easily with an accessible design - with support for full-length, double-wide, PCI-Express x16 graphics cards.