Engineered to deliver super fast data transfer speeds, the RDF5 USB (Universal Serial Bus) 3.0 card reader features a Super Speed USB (Universal Serial Bus) 3.0 interface & support for next-generation Ultra High Speed SDHC/SDXC & micro SDHC/SDXC cards. Capable of being plugged directly into the USB (Universal Serial Bus) port on any desktop or notebook computer, the ultra compact RDF5 offers effortless file sharing in any situation. Supports next-generation memory cards including SDHC UHS-I, SDXC UHS-I, micro SDHC UHS-I, micro SDXC UHS-I