The original 3DS hardware only has 2GB of internal eMMC storage , which is barely enough for a few small apps.
: While the 3DS officially supports up to 32 GB, larger cards (64 GB, 128 GB, and even some 256 GB) can be used if formatted as FAT32. 3ds Complete Rom Set Size
This includes:
Nintendo went wild with DLC on the 3DS.
The 3DS utilizes a "block" system for internal storage (1 block = 128KB), but ROMs are typically measured in standard GB/MB. The original 3DS hardware only has 2GB of
Depending on the specific collection parameters, the total size generally falls into three tiers: larger cards (64 GB
Japanese games ( Ryū ga Gotoku 1&2 HD for 3DS) tend to use larger cartridges and can inflate a world set significantly.