R4 SDHC Card
R4 SDHC Card For Nintendo DS, DS Lite
The R4 SDHC Card is a modified version of the R4 DS Card. All its functions are very similar to the R4 DS except with one crucial difference: It is able to accept MicroSDHC cards and can take up to 32GB of memory. official website: www.r4i-sdhc.com.
R4 SDHC Card Installation Guide
R4 SDHC Card Software Download