The R4i SDHC Card is a SLOT-1 flash cards for DSi. Its a upgrade versions of R4 ds with multi-media features which can support SDHC and run most games and homebrews. They have widely been owned by many DS player users.
Adding data to the R4i SDHC is quite easy. Link the micro SD memory card to your computer, using a micro SD memory card reader, download our R4i SDHC Kernel, and in a few minutes you'll be able to send data straight from your PC to the memory card.