The eFilm ExpressCard 34 6-in-1 enables the fastest data transfer from Secure Digital, SDHC, MMC, Memory Stick, Memory Stick PRO & xD memory cards to the new Apple MacBook Pro and PC laptops with an ExpressCard slot. It works in both the 54 mm and 34 mm ExpressCard slots and can transfer your data up to 15 MB per second. Its small compact size makes it the perfect tool for photographers on the go.