IOGEAR GFR204SD SD(TM) Card/microSD(TM) Card/MultiMediaCard Reader/Writer USB 2.0 highspeed data transfer rate up to 480Mbps; USB poweredno external A/C adapter required; Supports SD(TM) Card, SDHC(TM) Card, SDXC(TM) Card, microSD(TM) Card, microSDHC(TM) Card, MultiMediaCard II, RS MultiMediaCard, Ultra II SD(TM) Card, Extreme SD(TM) Card & Extreme III SD(TM) Card;