R4i Card (SDHC):
This is the best suitable card for the Nintendo DSi. Even though there are a few different Nintendo DS cards are available in the market, the R4i cards are known to be the best available cards available for there reliability when compared to that of other manufacturers such as AceKards and TT cards. This card works with all kind of software and R4i platforms including Nintendo DS, DS Lite, DSi and DSi XL. So, a user with the R4i or someone who is planning to possibly upgrading to R4i would be best off going for the r4i card as its backward compatible with all versions of the DS and R4i. Also coupled again with fact that the memory card capacity is a massive 32GB, this is more than enough for any DS / DSi user.

R4 card
R4 card was 1st released using the industry in 2007 and because then no Nintendo DS pwner could possibly be found devoid of it. The only target why R4 card are pretty well-known could possibly be the reality that it enhances your gaming knowledge also to include up additional attributes and features in your gaming console. In other words, the R4 card promotes NDS functionality. preceding to the R4 was launch, Nintendo gaming console is dominated by its competition the PSP from Sony, but once the R4 card was released the income went up so considerable that it has now the greatest amount in income for Nintendo gaming units.

Micro SD:
Micro SD (microSD) cards were originally called T-Flash and then TransFlash before being rechristened as Micro SD when adopted by the SD Card Association (SDA). Like its name, the micro SD card / TransFlash is essentially an SD card, but in a smaller package (the size of a fingernail). It is one of the smallest removable flash memory card formats designed specifically for small devices. Some of thse devices include: mobile phones, handheld GPS devices, portable audio players, flashcards for Nintendo DS emulation, and expandable USB flash memory drives. Micro SD cards can be used in SD-compatible devices via an SD adapter.