Tired of blunting the speed of your cutting-edge USB 2.0 devices on your notebook computer? StarTech.com's CB420USB is an easy way to get the best performance out of high-speed USB 2.0 devices on your notebook so you can take speed with you wherever you travel. This is an excellent solution for enhancing the capabilities of your portable computer by adding external hard drives, CD and DVD burners and other demanding devices to your laptop without resorting to expensive proprietary internal devices.