With The Rdf8 Usb 3.1 Gen 1 Card Reader You Can Use The Full Potential Of Your High-Speed Memory Card! Supporting Sdxc/Sdhc Uhs-I, Microsdxc/Sdhc Uhs-I And Compactflash Memory Cards, Transcend'S Rdf8 Card Reader In Combination With The Powerful Usb 3.1 Gen 1 Technology Is The First Choice For Fast And Efficient Data Transfer.