Super Speed USB (Universal Serial Bus) 3.0 memory card reader for super-fast reading of large photos & videos from your memory card Supports all commonly used memory cards including latest generation SDXC cards Compact space saving design ideal for portable use Up to 5 Gbps data transfer rate 10x faster than USB (Universal Serial Bus) 2.0 ideal to use with large data files Just plug-in & start no need to install a driver Supports SD SDHC SDCX m SD m SDHC m SDHX MMC & MS This high performance memory card reader performs greater read & write speeds even connected to a USB2.0 port compared to other USB2.0 card readers. When plugged into a USB3.0 port you benefit from even higher readwrite speeds.