Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →If your old card is a regular microSD, microSDHC, or microSDXC card, it cannot store or run games on Nintendo Switch 2. Switch 2 requires a microSD Express card for expandable software storage. Your old card can still be inserted temporarily to import screenshots and videos, and game saves are stored in the console’s system memory rather than on the card.
The quick compatibility test
- Look for the exact words microSD Express.
- Check for the microSD Express logo or “microSD EX” marking.
- Confirm that the manufacturer explicitly identifies the product as compatible with Switch 2.
- Buy from Nintendo, the storage maker, or an authorized retailer with a clear model number.
- Stay within Nintendo’s stated capacity limit of 2TB.
Labels such as microSDXC, UHS-I, A1/A2, V30, or a high advertised read speed do not prove Express compatibility. Nintendo’s compatibility guidance is available in its Switch 2 microSD compatibility article.
Old Switch cards versus Switch 2 cards
| Card type | Original Switch | Switch 2 |
|---|---|---|
| Ordinary microSD | Supported within Nintendo’s limits | Not supported for ordinary storage |
| microSDHC | Supported | Not supported for ordinary storage |
| microSDXC | Supported | Not supported for ordinary storage |
| microSD Express | Works, but at ordinary microSD performance | Supported |
| microSD Express above 2TB | Not covered by Nintendo’s stated support | Not supported under Nintendo’s stated limit |
Switch 2 requires the newer interface because Nintendo says its faster access is needed for smooth game operation. Actual performance still varies with the console, workload, firmware, thermals, and card controller; a manufacturer’s maximum sequential speed is not a guaranteed loading-time result.
What microSD Express actually stores
| Data | On an old Switch card? | Directly usable on Switch 2? | What to do |
|---|---|---|---|
| Downloaded games | Often | No, if the card is not Express | Use System Transfer where supported, then redownload software through the purchasing Nintendo Account. |
| DLC and update data | Often | No, if the card is not Express | Transfer or redownload through Nintendo’s supported process. |
| Game saves | No; saves are in system memory | Not applicable | Complete Nintendo’s System Transfer or another supported save-data process. |
| Screenshots and captured videos | Yes | Importable | Use Switch 2’s media-import menu. |
| Software on an Express card | Not applicable to ordinary old cards | Associated with its Switch 2 console context | Do not expect the library to remain playable when the card is moved between consoles. |
Nintendo says game save data cannot be copied to a microSD or microSD Express card. That means an incompatible old card does not itself contain your saves, but you should still transfer saves before resetting or disposing of the old console.
#1 Best Overall
- Nintendo Switch 2 uses a new standard of expandable memory card called microSD Express (sold separately). This kind of memory card is needed for faster access speeds and to ensure games will run smoothly.
- Please note: Nintendo Switch 2 is only compatible with microSD Express cards. If the microSD cards you have used for Nintendo Switch do not support microSD Express standards, you cannot use them with Nintendo Switch 2.
Moving from Switch to Switch 2
1. Transfer saves and settings
During Switch 2 setup, use Nintendo’s System Transfer. Local transfer requires both consoles. Nintendo also documents a server-based option for situations in which both systems are not available together. System Transfer is separate from moving a microSD card.
2. Import screenshots and videos
- Open System Settings.
- Select Data Management.
- Select Manage Screenshots and Videos.
- Select Import from a Nintendo Switch microSD Card.
- Follow the on-screen instructions.
This is a media-import function, not a way to run games from the old card. Some game-specific video data has its own rules; Nintendo identifies Super Smash Bros. Ultimate video data as an exception to the ordinary import route.
Rank #2
- NEXT GEN GAMING: Works with Nintendo Switch 2.
- READY FOR TOMORROW. Ready for future products with a PCIe-NVMe interface; performs at UHS-I speeds with microSD UHS-I and UHS-II devices.
- EXPONENTIALLY FASTER PERFORMANCE. Up to 4.4 times faster transfer speeds than our fastest microSD UHS-I cards [9]. Transfer a 2-hour HD movie in less than 3.5 seconds [1]; save up to 2.8 minutes transferring 60 minutes of 4K UHD video [4] shot at 30 fps when paired with the SanDisk PRO-READER SD Express Dual Card (sold separately) [9]
- DURABILITY YOU CAN COUNT ON: Cards are waterproof, temperature-proof, humidity-proof, drop-proof, shock-proof, magnetic-proof, x-ray proof, and wear-out proof [5].
- HEAT MANAGEMENT REIMAGINED. SanDisk ThermAdapt helps keep devices from overheating with a specially designed enclosure and controller that uses dynamic adaptive thermal management.
3. Install and use a new Express card
Switch 2 requires an internet system update the first time a microSD Express card is used. After installation, move software through System Settings → Data Management → Move System / microSD Express Card Data, select the data, and choose OK. Save data and some update data cannot be moved with this function, and later activity can cause update data to be stored elsewhere.
4. Replace an Express card
Nintendo’s supported replacement process requires the old and new Express cards, a computer, and a suitable card reader or adapter. Format the new card, copy the entire old card to the computer, then copy the complete set to the new card. Keep the original untouched until the replacement is verified; some software may still need to be redownloaded. Follow Nintendo’s Express-card transfer instructions.
Recommended Free Tools
Rank #3
- Ultra-Fast Read Speeds — Experience read speeds up to 900 MB/s and write speeds up to 620 MB/s, delivering rapid file transfers and smooth performance for gaming, photography, and 4K video recording.
- Optimized for Gaming & Devices – Tested with Switch 2 and compatible with laptops, tablets, cameras, and Android devices that support microSD Express or UHS-I. Ideal for expanding storage without lag.
- 4K Video & High-Resolution Support – Capture and store 4K UHD videos and high-res photos seamlessly thanks to Class 10, U3, V30, and A2 performance ratings.
- Reliable & Durable Design – Built for long-term use with shockproof, temperature-resistant, waterproof, and X-ray-resistant protection, keeping your data safe wherever you go.
- Multiple Capacity Options – Available in 256GB, 512GB and 1TB options to suit your storage needs. Note that actual usable storage may be slightly less due to system formatting and a portion reserved for card management functions, which is a standard industry practice to ensure optimal performance and reliability.
How much capacity should you buy?
Switch 2 includes 256GB of internal storage, compared with 32GB on the original Switch and 64GB on the Switch OLED Model, according to Nintendo’s corporate specifications. You may not need a card immediately, particularly if you buy mostly physical games or keep only a few downloads installed. Physical cartridges can still require patches, updates, or additional downloads.
| Capacity | Best fit | Trade-off |
|---|---|---|
| 256GB | Light users and mostly physical libraries | Can fill quickly with large digital games and DLC. |
| 512GB | Many digital-focused players | Usually a practical balance between room and cost. |
| 1TB | Large libraries and frequent downloads | Often carries a disproportionately high price. |
| 2TB | Users with a clear, very large storage requirement | Technically supported, but availability and value vary by country. |
Compare price per usable gigabyte only among genuine Express cards. A cheap 1TB ordinary microSDXC card is not a bargain for Switch 2.
Rank #4
- The perfect card for the Nintendo Switch 2 delivers revolutionary performance that is 4x faster than typical UHS-I microSD cards
- PCIe technology delivers read speeds up to 900MB/s so the game loads faster
- Write speed up to 600MB/s deliver accelerated download speeds when paired with the Lexar microSD Express card reader
- Level-up your handheld gaming experience with next-gen tech
- 1TB microSD Express card offers more space for your favorite games
Does it need Nintendo licensing?
No technical licensing requirement is stated by Nintendo. Its FAQ says any microSD Express card meeting the standard, up to 2TB, can be used. Licensed products can make compatibility and labeling easier to verify, but licensing is a buyer-confidence signal rather than a stated requirement. See Nintendo’s microSD Express FAQ.
Products and buying checks
- Nintendo’s store lists a Samsung 256GB microSD Express card for Switch 2, suitable for lighter libraries.
- SanDisk publishes a microSD Express for Nintendo Switch 2 specification sheet. Confirm the exact model and capacity on the current sales page.
- Avoid used cards, unclear model numbers, unusually cheap marketplace listings, and listings that combine ordinary Switch products with Express products.
If Switch 2 does not recognize the card
- Power off the console.
- Remove the card.
- Confirm that it is genuinely microSD Express, not merely microSDXC or UHS-I.
- Check the card and slot for dirt or debris.
- Reinsert the card.
- If necessary, format it through the console.
- Replace the card if it still fails.
- If multiple genuine Express cards fail, seek console service.
Formatting deletes the card’s contents, and Nintendo says the console process cannot recover them. Back up screenshots and videos first. Downloaded software can generally be redownloaded with the purchasing Nintendo Account, while saves remain in system memory. Nintendo’s full troubleshooting guidance is at its microSD Express support page.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Best Value
- TRANSFER SPEEDS UP TO 800 MB/S: With sequential read speeds up to 800 MB/s, get into your game up to 4× faster than our standard microSD cards (UHS I)¹.
- DYNAMIC THERMAL GUARD: Keeps its cool even when the action heats up. Dynamic Thermal Guard helps reduce overheating for fast, smooth gameplay.
- ALL YOUR GAMES ON ONE TINY CARD: Store all your games and downloadable content (DLCs) with up to 512GB of reliable storage. No deleting. No compromises.
- 6-PROOF PROTECTION WITH 3-YEAR LIMITED WARRANTY: Built to last, made for peace of mind. Anything can happen when you’re gaming on the go. With 6 types of protection²⁻⁹, the P9 Express can handle it all—helping maintain your game progress.
- NEXT-GEN AND BACKWARD COMPATIBLE: Your microSD Express card is compatible with Nintendo Switch 2¹⁰ and microSD UHS-I¹¹ devices, including tablets, drones, cameras and more.
Important limits when using cards across consoles
Nintendo advises against swapping one microSD Express card between multiple Switch 2 systems. Software downloaded to one console may not be playable on another, and software spread across cards cannot necessarily be combined later into one library. Keep one primary card with each console whenever possible.
Bottom line for an upgrade
Do not throw away your old Switch card: it remains useful in the original console and can supply screenshots and videos for import. But for Switch 2 game storage, buy a genuine microSD Express card, choose capacity based on your actual digital library, and complete System Transfer for saves and settings. With 256GB built in, waiting to see how quickly you fill the console is a sensible option.
Quick Recap
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.
