The OEM Microsoft Original XBOX Memory Unit Card X08-25319 is a black external attachment memory card specifically designed for the Microsoft Xbox platform. (E3) With a storage capacity of 8 MB, this UHS Speed Class 1 SD card is compatible with Microsoft Xbox consoles and offers wireless connectivity with a range of less than 5 meters. Made by Microsoft, this unit is lightweight at 1 oz and provides a convenient way to expand the storage capacity of your Xbox gaming system. This is pre-owned and in good condition. Please see Pictures for greater details. Please check out other items in our store. Thank you!