Add USB 3.0 connectivity to your notebook computer with this NM-302 2-Port SuperSpeed USB 3.0 ExpressCard/34 Adapter! The NM-302 features two external SuperSpeed USB 3.0 ports that delivers data transfer speeds of up to 5 Gbps. Plus, it's also backwards compatible with USB 2.0 and 1.1 devices. Simply install this card into an available ExpressCard/34 slot and you're ready to access and transfer data much faster than USB 2.0. Easily add SuperSpeed USB 3.0 to your laptop with the NM-302 2-Port SuperSpeed USB 3.0 ExpressCard/34 Adapter!