The USB 3.0 Multi Card Reader Combo is a card reader offering blazing fast transfer speeds with the USB 3.0 interface. Such high speeds make the reader ideal for professional photographers looking to effortlessly copy a large number of images. The reader contains a total of 4 slots: 1 CF, 1 SDHC/SDXC, 1 M2/microSD, and 1 MS PRO/XC/MS DUO. It supports the SDHC UHS-1, SDXC UHS-1, UDMA6/UDMA7 CF and MSXC card formats. Backwards compatible with USB 2.0, the reader is the ideal companion for your data management needs. Super-Speed USB 3.0 interface, while retaining backwards compatibility with USB 2.0 Supports SDHC UHS-1, SDXC UHS-1, UDMA6/UDMA7 CF and MSXC card formats Transfer high-resolution images and video recordings to your computer more rapidly and with greater efficiency Utilize the full speed potential of your memory cards USB powered - no external power or battery required LED card insertion / data transfer activity indicator Supports SD / CF built-in security functions.