Articles Published: March 4, 2026

NSP vs XCI – What’s the Difference?

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

FeatureNSPXCI
SourceeShopPhysical cartridge
InstallationRequiredOptional (mounting)
File SizeSmallerLarger
Best ForDigital installsCartridge 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.