The M3 REAL is an adapter so you can use a micro SD Card up to 16GB with Your Nintendo DS/Lite this allows you to store much more and allows you to benefit from all the below features: Watch movies,Play music,Browse pictures, Read E-Books and more... The Only differnce Between the M3 Simply and the M3 Real is that you get a Rumble Cartridge that plugs into slot 2 on the DS, and makes the games Rumble. + it takes higher capacity Micro SD Cards.

M3 Real has more features than R4 Version 2 and Version 3, Unfortunately it can not support Ninedon DSi. Please check the followling link to buyer new R4i card.