Manhattan imPORT Dock - 42-in-1 - SD, SDHC, SDXC, microSD, microSDHC, microSDXC, MultiMediaCard (MMC), MMCmobile, Reduced Size MultiMediaCard (MMC), Memory Stick, Memory Stick PRO Duo, ... - USB 2.03 Total Number of USB Ports - 3 Number of USB 2.0 PortsExternal