SONY MSAC-US1A USB Interface for Memory Stick(R) Media (PC/Mac) Sony's MSAC-US1A USB Interface for Memory Stick(R) Media reads and writes Memory Stick(R) media to a USB port With a data transfer rate of up to 3 megabits per second, this interface unit will offload your pictures rapidly and accurately, so you can get back shooting again quickly! Compatible with Windows 98SE+ and Mac OS 8.5.1+ USB cable included