It's the same size as any regular Nintendo DS Card. Even if you're not interested in watching mvies with your R4 SDHC Card, or listening to music with your R4 SDHC Card, you can do so much more, so much easier, once you add the R4 DCard to your arsenal. Thousands of FREE Homebrew games and applications await you, with many of them being in line with commercial quality games. The R4 Card, the latest development in hand held gaming for NDS flash card technology. And with all the eBook craze going on, guess what? Your R4 SDHC Card will also enable your Nintendo DS to read your entire eBook collection on the go. You can also load up all of your MP3's on your MicroSD Card and listen to them on your NDS with your R4 SDHC Card. Just what CAN it do? Well, for starters you can convert and watch full length DVD movies on your Nintendo DS with the R4 SDHC Card. While we love our NDS system for the amazing games it has to offer, there's a whole other word of things you can do with you NDS once you add an R4 SDHC Card. And just like the R4 DS Card, it will take your Nintendo DS to whole new heights. The R4 SDHC will allow you to use memory cards up to 32GByte in size. You're no longer limted to just 2 Gig microSD cards as was the case with the R4 Card. The R4 SDHC Card is just like the R4 Card, except that it can now use the higher capacity SDHC MicroSD Cards. The R4 SDHC card takes your gaming and entertainment to higher levels. nds game files to the SD card or insert it into your R4 cartridge and your DS.R4 SDHC Card for DS / DS Lite. Click the SD drive you just formatted, i.e 'Removable Disk (E:)' to highlight it in blue and then click, 'OK'. Right click the file and select 'Extract Files.'. Next go to the location where you downloaded the software above, usually 'My Documents' or the 'Desktop' by default. After open the drive by double clicking it to display an empty window and then minimize it to the taskbar with the '-' command in the top right of the window. Check the box to allow a quick format and wait for it to complete. right click the drive and select 'Format'. Go to 'My Computer' and look for the SD card drive, probably called 'Removable Disk'. When it has downloaded insert your R4's SD micro card into the USB adapter put it into your PC. When you click the correct link above choose 'save' and save the file on your computer. If you do not already have 'WinRar' installed then download and install it here. If your R4 has 'R4i Upgrade' without the 'V1.4' yellow star then download this software. If your R4 card has 'R4i Upgrade' and 'V1.4' in a yellow star on the front or just 'R4 Upgrade' then download this software. There are several different versions of software for the R4 cards.