Taking full advantage of the UHS-II technology, the Rdf9 USB 3.1/3.0 UHS-II card reader unleashes the high-speed performance of SDXC/ SDHC UHS-II memory cards. Equipped with USB 3.1 Gen 1 interface, the Rdf9 delivers the blazing fast read and write speeds of up to 260MB/s and 190MB/s accordingly, facilitating high resolution video and raw image transfers and post-production processing for professional photographers, videographers and graphic designers. Additionally, it also boasts the compact Flash, microSD and memory stick card slots, offering you to transfer different types of digital files with one compact card reader.