R4i SDHC, R4i DSHC for DSi -gameyeeeah.com

The R4i SDHC Adaptor is the latest development in
flash cartridge technology for the Nintendo DSi. The R4i SDHC is an
adapter so you can use a micro SDHC card (up to 32GB) with your
Nintendo DSi this allows you to store much more and allows you to
benefit from all the following features, watch movies, play music,
browse pictures, read E-Books and more... [more flash cards]

Features:

1. Same size as an original DSi game cartridge.

2. Built-in PassMe (NO need for any boot cart./passcard etc.)

3. Uses micro SD memory card (Trans Flash) as storage.

4. Boot clean dump images (downloadable from internet).

5. Very simple to use: drag and drop files to the microSD card and play.

6. Standard FAT system support.

7. Supports different speeds of micro SD cards.

8. Supports HC memory cards.

9. Upgradable Firmware ( OS / Bios / Kernel )

10. Touch screen control and robust skinning support.

11. No battery needed, back up the save file directly into the microSD card.

12. Homebrew support , IO lib available on launch.

13. Supports WiFi, DS rumble pack and DS browser.

Including:

R4i SDHC Card (Slot-1)

USB microSD memory card reader / writer

R4i SDHC hard case and lanyard

Source: http://www.gameyeeeah.com/r4i-sdhc-r4i-dshc-for-dsi-p-1630.html