Read & write Compact Flash Memory Stick Memory Stick Pro Multi Media Smart Media Secure Digital Microdrive & x D cards Fits a 3.5 inch or 5.25 inch drive bay bracket included Windows 98SE2000MEXP compatible This USB (Universal Serial Bus) 2.0 internal Multi Memory Readerwriter enables you to easily read & write to the most popular type of memory cards via your PC Compact Flash Memory Stick Memory Stick Pro Multi Media Smart Media Secure Digital Microdrive & x D cards. The USB (Universal Serial Bus) 2.0 Internal Multi Memory Readerwriter can be built into the 3.5 or 5.25 bay with the bracket supplied so that no superfluous cables clutter your workspace.