The 2-Port USB 3.0 ExpressCard Adapter, model TU3-H2EC, uses a free ExpressCard port on a laptop computer to add two super speed 5Gbps USB 3.0 ports. Transfer content from USB 3.0 storage enclosures, flash drives, and camcorders at 5Gbps speeds - 10 times faster than USB 2.0. Plug the adapter into any available ExpressCard port on a Window"s based laptop computer. A power adapter provides full power to all connected USB 3.0 devices. Backward compatibility allows users to connect USB 2.0 devices to the USB 3.0 ports. Transfer large amounts of data in no time with two super speed 5Gbps USB 3.0 ports.