The R4-SDHC Cartridge is the current top-of-the-line in NDS/NDSL SLOT-1 cart. It is just an amazing little device like standard NDS cart size, it is a complete solution with no need to purchase any additional component or deal with any messy software and truly the easiest media enhancer you have ever done. This is a must have peripheral for any regular NDS/NDS lite owner.