The MultiCard Reader is compatible with the following memory card formats:SD Card SDHC microSD (TransFlash) microSDHC miniSD* miniSDHC* MultiMediaCard MMCplus RSMMC MMCmobile Memory Stick M2 MemoryStick MemoryStick Pro Memory Stick Duo MemoryStick PRO Duo XD Picture card*with adaper (not included)Hi-Speed USB 2.0 (up to 40X faster then USB 1.1) Much faster than using your camera's serial cable Card ports appear as removable drives Draws power from the USB port Save your camera batteries Backup files onto your digital memory card Copy files between cards Free On-line support Installs in secondsSystem RequirementsUSB Port (USB 2.0 for hi-speed) Windows ME/2000/XP/Vista/7 Mac OS 9.0 and above