MC9700 or MC 9500 flash card will work. These are not Janome products. You get them at a computer store. You will see an opening where they slide in. You will need a pc card reader on your computer, or buy the USB plug in reader. Be sure you get the adapter for the flash car as it is so small you must put it in the adapter and then into the reader. It acts as a drive on your computer. Load your designs on it and then put into your 9500 and sew.