This device is compatible with the DS and the DS Lite, but it is NOT compatible with the DSi. People make sure you check which version of the DS you have before buying at Gamer Connection will definitely not be able to change over stock if you purchase the wrong product.
The Acekard 2 is the same size as an original game cart and you don't have to flash your machine or use a passme in order to use the Acekard 2.
Never lose save data - Acekard 2 use the technology of directly writting save file to MicsoSD card. No need to manually select save size or backup save when turn on DS. No battery needed. Acekard 2 can use save files from other flash carts and do not need convert. All you need to do is make sure the save file has the same prefix name and put it at the same directory of ROM. Then you can just run the game to use new save file.
Perfect compatibility - Acekard 2 inherit the best quality of acekards products. AK2 support clean rom and you can just drag and drop it on MicroSD card to run.
*Loading would be a little long when first run a game due to creating save file. The load time will be very fast at the next time.
Support Homebrew programs/games - The Acekard 2 is compatible with all homebrew because of the DLDI auto-patcher. You can just copy the homebrews to the MicroSD card and run it. You can use Moonshell, one of the most well known homebrew software on DS, for multi media. Watching movie, listening MP3, reading TXT novel on DS is so easy!
*Some homebrews need to be put at the root of MicroSD card for best compatibility.
*Does not come with memcard reader