USRobotics 2-Port USB 3.0 ExpressCard. New blazing fast USRobotics USB 3.0 products transfer files up to 10 times faster than USB 2.0. Connect Super Speed peripherals like USB 3.0 external hard drives or HD cameras and save time with faster access and transfer rates of up to 5 Gbps. Easily expand the number of USB ports on your desktop or laptop with the USB 3.0 cards or hub. All USB 3.0 ports are backward compatible with USB 2.0/1.1 devices. During simultaneous transfers the ports automatically detect the USB type - transferring data at the maximum rate for each individual port. Upgrade to 3.0 and experience blazing fast speeds!