Add USB 2.0 connectivity to any notebook computer with this Cardbus 2 Port USB 2.0 expansion card. USB introduced a wide variety of hot-swappable, easy to use peripherals to the computing world, and USB 2.0 kicks it to the next level! The CardBus holds a secure place as the preferred high-performance add-in-mechanism for mobile computing platforms today and in the future.The CardBus 32-bit high performance bus mastering architecture for PC Cards, was standardized by the PCMCIA. The transfer rate are 480Mbit/sec, and very useful for PC Camera, HDD, scanners, digital cameras, external CDRW drives, Printers and some other devices with USB 2.0 interface. Adding this awesome technology to your notebook couldn't be easier.