The key takeaway is to define what "complete" means to you. Consider your platform (original hardware vs. emulator), your preferred file format (CIA for hardware, anything for PC), and your desire for every regional variant and piece of DLC. With these decisions made, you can accurately estimate the required storage space.
The original 3DS hardware only has 2GB of internal eMMC storage , which is barely enough for a few small apps.
To save space, preservationists use tools like or GodMode9 to trim the dummy data from .3DS files, reducing the size of a raw set by up to 30%. Choosing the Right SD Card or Storage Drive
128 GB or 256 GB MicroSD Card (Formatted to FAT32).
There are two key figures to consider: the number of games and the total storage space required. 3ds Complete Rom Set Size
As of 2026, the No-Intro Nintendo 3DS set contains roughly . This excludes duplicate hack patches or homebrew but includes every major retail release.
Examples include Pushmo , BoxBoy! , and classic Virtual Console titles.
Are you building this set for or for use on an original 3DS console ?
However, for the digital archivist, the 3DS represents the end of an era—the last Nintendo handheld to use cartridge media before the hybrid Switch. Preserving its complete library, all 1.5 terabytes of it, is a noble (if expensive) hobby. Just make sure you invest in a good hard drive, learn how to trim your ROMs, and verify your hashes. Happy emulating. The key takeaway is to define what "complete" means to you
When managing a 3DS collection, the file format you choose dictates the final storage footprint on your hard drive or SD card. 1. .3DS (Raw Dump)
Approximately 700 Gigabytes (GB) to 900 Gigabytes (GB) . Game Count: Roughly 700 to 800 unique retail titles.
While the library is massive, hardware limitations affect how many games you can realistically store on a single device:
If you intend to host or play a massive 3DS collection, your storage hardware needs to match your platform. For PC Emulation Storage With these decisions made, you can accurately estimate
For users looking to store these libraries on actual hardware, the 3DS has specific technical constraints:
You will rarely find a definitive final number for two reasons:
While some sources mention vague figures like "3 TB" (Terabytes), they are likely conflating the 3DS library with other consoles or include compressed archives. The established, verifiable figure is of raw game data. This means the entire collection fits comfortably on a standard 512 GB SD card or an affordable external hard drive.