Articles
Published: March 4, 2026
NSP vs XCI – What’s the Difference?
If you’ve searched for Nintendo Switch ROMs, you’ve likely seen NSP and XCI files. Understanding their differences is important before choosing which format to use.
What Is NSP?
NSP (Nintendo Submission Package) is the format used for digital games downloaded from the Nintendo eShop. These files are installable packages.
Advantages:
- Easier installation on modified consoles
- Smaller file size compared to XCI
- Compatible with most custom firmware setups
Disadvantages:
- Requires installation (uses system storage)
- Leaves installation traces
What Is XCI?
XCI (NX Card Image) is a full dump of a physical game cartridge.
Advantages:
- Mimics real cartridge format
- Can be mounted without installation
- Often preferred for archival purposes
Disadvantages:
- Larger file size
- May require additional setup
Key Differences Table
| Feature | NSP | XCI |
|---|---|---|
| Source | eShop | Physical cartridge |
| Installation | Required | Optional (mounting) |
| File Size | Smaller | Larger |
| Best For | Digital installs | Cartridge backups |
Which Should You Choose?
- Choose NSP if you want easy installation.
- Choose XCI if you prefer a full cartridge backup experience.
Both formats work on emulators like Ryujinx and previously Yuzu.
The choice between NSP and XCI depends on your usage preference. Both are functional, but they serve slightly different purposes within the Switch modding community.