Add the ability to use multiple types of flash memory cards including compactflash securedigital and memorystick cards the fcreadhcu3 usb 30 card reader enables easy readwrite access to a variety of popular flash memory card formatstypes compactflash secure digital memory stick in a single unit over a high speed usb 30 connection using a connection over usb 30 which is up to 10 times faster than the usb 20 standard makes transferring large data files much quicker it usb