Card Reader Rocketek USB 3.0 Card Reader / Writer with 4 Slots for CF Card, MS Card, SDXC, UHS-I SD, SDHC, SD, Micro SDXC, Micro SDHC, Micro SD, MMC memory cards 4 Media Slots Support CF Card, SDXC up to 2TB, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card, MS, and UHS-I Cards. SuperSpeed USB 3.0 interface; backwards compatible with USB 2.0 / 1.0 Plug and play; Hot swapping; USB power (no external power or battery) Auto detect memory card; Support CF Card, SDXC up to 2TB, SD V3.0, UHS-I standard, latest Micro SDXC, MMC 4.4 and MS Card. LED status indicator keep on when connected, flashing when transfering data. Free lifetime technical support and 18-month manufacturer's warranty.