Add a compact external memory card reader to your computer through usb and charge or connect usb devices with the built in usb fast charge hub the fcreadu3hc usb 30 card reader lets you quickly mount all major media card types onto your desktop or laptop computer through a usb 30 port the card reader supports the most common mass storage device formats including compactflash securedigital and memorystick cards making it the perfect high bandwidth solution for your photography and videogr