9-in-1 Card Reader/Writer has 4 slots. They are:
- SD / MMC Slot
- to insert SD (Secure Digital) card or MMC (Multimedia Card) - MS Slot
- to insert MS/ MS Duo/ MS Pro/ MS ROM - CF / MD Slot
- to insert CompactFlash Type I/II Card or IBM MicroDrive - SM Slot
- to insert SmartMedia Card or xD-Picture Card