On Nintendo Switch 2, save files stay in the console’s system memory—not on a game card or microSD Express card. Downloaded games, software updates, and DLC can use microSD Express storage. Physical releases vary: a regular game card and a game-key card are different formats, and a game-key card requires downloading the full game before play.
Where Switch 2 game data is stored
“Cartridge data” can mean several different things: the game data supplied with a physical release, later updates, add-on content, or save progress. They are not all stored in the same place.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
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Star Wars: Heritage Pack - Nintendo Switch | $35.48 | Buy on Amazon |
| 2 |
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Shenmue III Enhanced - Nintendo Switch 2 (CART) | $54.99 | Buy on Amazon |
| 3 |
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Sonic X Shadow Generations - Nintendo Switch | $24.88 | Buy on Amazon |
| 4 |
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Star Fox™ - Nintendo Switch 2 | $59.00 | Buy on Amazon |
- Save data: Stored in the console’s system memory, whether you play from a game card or a download. Nintendo says saves cannot be stored on microSD Express. For most games, save data is associated with the selected user. Nintendo’s data management FAQ explains the storage rules.
- Downloaded software, updates, and DLC: These can be stored on microSD Express. You can also use the console’s system memory, subject to the space available.
- Game data on a physical release: This depends on the card format and individual title. Nintendo’s general FAQ does not establish that every regular game card includes every update or the same amount of game data.
Switch 2 has 256 GB of internal storage, with some reserved for system use, according to Nintendo. The company says no individual games currently require extra storage to play; expansion is optional, though it can provide room for more downloaded software, updates, and DLC. Check Nintendo’s current storage FAQ for the supported storage details.
Do Switch 2 physical games need downloads?
It depends on the specific release. Nintendo supports both regular game cards and game-key cards, and some physical titles use each format. A game-key card is a key that lets you download the game; it does not contain the full game itself. Nintendo says an internet connection and enough free space in system memory or microSD Express are needed for that download. The required storage is shown on the package and on the game’s Nintendo Store or eShop page. A Nintendo Account is not required to download game-key card data, according to Nintendo’s Game-Key Card overview.
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#1 Best Overall
- The following games are included in the cartridge: STAR WARS Jedi Knight: Jedi Academy (3.6 GB)
- STAR WARS Jedi Knight II: Jedi Outcast (1.1 GB)
- STAR WARS Episode I Racer (254 MB)
- STAR WARS Republic Commando (2.5 GB)
- STAR WARS: The Force Unleashed (3.4 GB)
| What to check | Regular game card | Game-key card |
|---|---|---|
| Full game download required before playing | Not established as a universal rule by Nintendo’s general support information; check the specific title’s package or listing. | Yes. The full game is not included on the card. |
| Free storage needed | Depends on the specific title and any downloads it requires. | Enough space for the required game download; the package and official listing give the amount. |
| Internet needed to start playing | No universal requirement stated in Nintendo’s general card information; check the title. | Required for the first launch after download; later launches can be offline. |
| Card needed to launch the game | Insert the card to play its physical release. | Yes. Keep the game-key card inserted to play, even after downloading. |
Nintendo also supports compatible original Switch game cards, Switch 2 Edition cards, and Switch 2 exclusive software, including game-key cards. Compatibility for some original Switch software can vary because Switch 2 uses different hardware. Nintendo says a Switch 2 Edition release bought in a store and its purchased upgrade pack contain the same content. See Nintendo’s game card instructions for card handling and compatibility information.
Can you play a game-key card offline?
Yes, after the game has been downloaded and launched once. Nintendo says an internet connection is needed for the first launch, but not for subsequent launches. The game-key card must still be inserted whenever you play. That makes it different from a digital purchase tied to your library: the download supplies the game data, while the card acts as the physical key.
Rank #2
- A Living Open World Adventure: Explore a detailed, story-driven world inspired by rural China, filled with fully voiced characters, daily routines, mini-games, and optional activities.
- Epic Story by Yu Suzuki: Continue Ryo Hazuki’s journey in a unique narrative-focused adventure blending mystery, exploration, and martial arts.
- Authentic Martial Arts Gameplay: Train, learn techniques, and fight in real-time battles that reward preparation, timing, and mastery.
- Enhanced Visuals & Performance: Sharper textures, smoother gameplay, faster load times, and refined presentation across supported platforms.
- Modern Enhancements, Optional by Design: Quality-of-life improvements, accessibility options, and a classic camera mode — all fully toggleable.
How to download a game update
- Connect the Switch 2 to the internet.
- On the HOME Menu, highlight the game without opening it.
- Press the + or − button to open the software options.
- Select Software Update, then Via the Internet.
Nintendo’s support instructions use this route when addressing game-update issues. Updates are software data and can be stored on microSD Express, but Nintendo’s general material does not specify patch internals or say that every game handles update storage identically. For troubleshooting guidance, see Nintendo’s save-data and update support page.
What SD card does Switch 2 use?
For storage expansion, Switch 2 uses microSD Express. Do not assume that a generic microSD card will work for Switch 2 software storage: check that the product listing explicitly identifies the card as microSD Express. Nintendo does not name a preferred brand or recommend a particular capacity in its FAQ. Saves remain in system memory rather than on the expansion card.
Rank #3
- Past meets present in SONIC GENERATIONS! Modern and Classic Sonic team up to defeat Dr. Eggman and the Time Eater to restore their timeline to normal!
- Spin dash through a greatest-hits collection of 3D and 2D versions of iconic stages from past Sonic games, now with updated visuals and reworked cinematics
- In this new standalone campaign, Black Doom has reemerged and threatens to take over the world. Shadow must journey into his past, confront his memories, and unlock new dark powers to save the world.
- Harness Shadow's new Doom Powers to battle hordes of enemies and tackle platforming challenges like never before. Surf on water, fly over obstacles, and stop time with the return of Chaos Control!
- Rescue Chao hiding in every level, rack up the highest pinball score in the Casino Nights zone, and check out the museum for behind-the-scenes art, music, and more!
Before buying one, consider how much downloaded software, updates, and DLC you expect to keep installed, and check the card’s capacity and compatibility details. Extra storage is a convenience, not a requirement for every Switch 2 owner.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Check a physical game before buying
- Look on the package or official game listing to identify whether it is a regular game card or game-key card.
- If it is a game-key card, confirm the required download size and make sure you have enough free system or microSD Express storage.
- If offline play matters, remember that a game-key card requires internet for the first launch after download, but later launches can be offline with the card inserted.
- Keep game-key cards away from magnets or magnetic objects for long periods; Nintendo warns that this could affect internal components and cause malfunction.
Game-key cards and microSD Express require Switch 2 system version 20.1.0, according to Nintendo’s system update history. System software changes over time; check the console’s System Update screen for the current version. Nintendo’s history lists version 20.1.1 as released June 4, 2025, with initial system features. See Nintendo’s system update history for version details.
Quick Recap
Rank #4
- Blast off on a high-octane adventure to save a star system from invasion
- Tear through space, soar across planets, and shoot loads of foes out of the sky at every step of the way
- A cinematic take on the Star Fox 64 story, featuring fully voiced dialogue, an epic orchestral soundtrack, and a complete visual overhaul for the Nintendo Switch 2 system
- Enter first-person mode to experience the action from inside the cockpit, and even use mouse controls to fly
- Invite a second player* to join you as a gunner using Nintendo Switch 2 mouse controls
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
