You have a nand, you have yourself an emunand too.
EDITED Later:
Information;
emuNAND is a copy of the NAND memory of your Nintendo 3ds that is hosted on a hidden partition of the SD card from the console. Once installed, you can make use of this copy, as if the actual NAND of the console was.
sysNAND is the NAND memory of your Nintendo 3ds contains the firmware of your console and all the data you've set it, as well as games or applications you have installed.