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The right card depends on which 3DS model you own. Original Nintendo 3DS, 3DS XL, and 2DS systems take a full-size SD card; New Nintendo 3DS, New Nintendo 3DS XL, and New Nintendo 2DS XL systems take microSD. For either family, choose the matching SDHC format with a capacity of 4–32 GB. Nintendo does not consider SDXC or microSDXC cards compatible.

Check your 3DS model before choosing a card

The card slot determines both the physical card size and the format to buy. Nintendo’s compatibility guidance lists these card types and capacities:

Console models Card that fits Supported card types and capacities
Original Nintendo 3DS, Nintendo 3DS XL, Nintendo 2DS Full-size SD SD up to 2 GB; SDHC from 4 GB through 32 GB
New Nintendo 3DS, New Nintendo 3DS XL, New Nintendo 2DS XL microSD microSD up to 2 GB; microSDHC from 4 GB through 32 GB

A microSD card can be used in an original-family system only with a full-size SD adapter. The New models use microSD directly.

What capacity and card standard should you buy?

For most buyers looking for more storage, the simple choice is a 32 GB SDHC card for an original 3DS-family console, or a 32 GB microSDHC card for a New 3DS-family console. Nintendo’s stated supported range for SDHC and microSDHC ends at 32 GB. Standard SD or microSD cards up to 2 GB are also within its compatibility guidance, but offer less capacity.

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#1 Best Overall

A 64 GB or larger card is generally SDXC or microSDXC. Nintendo says those formats are not considered compatible, so do not treat one as a normal plug-in storage upgrade. Check the card packaging for the SDHC or microSDHC label and capacity before buying.

Is there a best brand or speed class?

Nintendo does not guarantee that every third-party card will work. Its compatibility information identifies supported card types, not a blanket guarantee for every retail product. The available support material also does not establish a speed-class winner, measurable gameplay benefit from a faster card, or a current brand ranking by price or value.

Rank #2
SANDISK 32 GB Class 4 SD Flash Memory Card SDSDB-032G-B35
  • Cards include security feature for protection of copyrighted data
  • This is NOT a micro SD card
  • SD cards are fully compatible with all SD-compliant devices
  • Speed performance rating: Class 4 (based on SD 2.0 Specification)
  • Writeable label for easy identification and organization

Nintendo UK lists tested New Nintendo 3DS-family examples including 16 GB and 32 GB SanDisk Extreme-family cards and an 8 GB Toshiba card. The page warns that specifications may change and performance is not guaranteed, so these are historical examples rather than a current endorsement or assurance that a particular listing will work. See Nintendo UK’s SD card information.

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How to move data to a larger card

If you are replacing a card, Nintendo’s migration guidance says to use a computer and copy every folder from the old card to the replacement. Its examples include 16 GB and 32 GB replacement cards. Follow the full instructions in Nintendo’s data-transfer guidance.

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Quick Recap

SaleBestseller No. 1
Bestseller No. 2
SANDISK 32 GB Class 4 SD Flash Memory Card SDSDB-032G-B35
SANDISK 32 GB Class 4 SD Flash Memory Card SDSDB-032G-B35
Cards include security feature for protection of copyrighted data; This is NOT a micro SD card
$19.42
Bestseller No. 3
Bestseller No. 4
Best Value
SANDISK 32GB Extreme PRO SD Memory Card, Up to 100MB/s Read Speeds, UHS-I
  • Shot speeds up to 90MB/s, transfer speeds up to 100MB/s (Up to 100MB/s read speed. Write speed up to 90MB/s. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes. X = 150KB/sec.)
  • Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.)
  • UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Association’s official website.)
  • Built for and tested in harsh conditions: Temperature-proof, waterproof, shockproof, and X-ray-proof (Card only. See product packaging or official SanDisk website for more information regarding proof.)
Rank #3
Sandisk 32GB SD SDHC Flash Memory Card for Nintendo 3DS N3DS DS DSI & Wii Media Kit, Nikon SLR Coolpix Camera, Kodak Easyshare, Canon Powershot, Canon EOS, Comes with Bonus SD/TF USB Card Reader
  • 32GB SD SDHC Flash Memory Card FOR NINTENDO 3DS N3DS 2DS XL DS DSI & Wii Media Kit. (Not compatible with New 3DS)
  • Also compatible with Nikon SLR Coolpix Digital Camera, Kodak Easyshare, Canon Powershot, Canon EOS
  • Speed performance rating: Class 10
  • Bonus SD/TF USB Card Reader to facilitate easy transfer between devices
  • High quality and reliability backed by a 5-year limited manufacturer warranty
  1. Turn off the console and remove the existing card.
  2. Use a computer with a card slot or card reader to access the old card.
  3. Copy every folder from the old card to the computer; do not omit folders.
  4. Put the replacement card in the computer and copy the folders onto it.
  5. Insert the replacement card in the console and check that the data is accessible.

Buying checklist

  • Confirm whether the console is an original 3DS/3DS XL/2DS or a New 3DS/New 3DS XL/New 2DS XL.
  • Choose full-size SDHC for original models or microSDHC for New models.
  • Stay at or below 32 GB; do not buy an SDXC or microSDXC card expecting ordinary compatibility.
  • If using microSD with an original model, make sure you have a full-size SD adapter.
  • For a replacement card, have access to a computer and card reader for copying all folders.

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