3DS SD Card Format | How to Reformat 3Ds SD Card

Daisy updated on Dec 04, 2018 to Partition Master | How-to Articles

What's 3DS SD Card File System

Are you planning to upgrade the standard micro SD card that came with your 3DS handheld to a bigger one, like 16GB to 32GB or 32GB to 64GB? Then it's extremely important to know the file system your 3DS SD card, because so far, Nintendo products including New Nintendo 3DS, New Nintendo 3DS XL, Nintendo 3DS, Nintendo 3DS XL, Nintendo 2DS only support SD/microSD memory cards up to 2GB, SDHC/microSDHC memory cards up to 32GB that pre-formatted with FAT32 file system.

The overall requirements of 3DS are summed up into:

  • Memory cards with a capacity equal or less than 32GB;
  • Formatted to the FAT32 file system.

That is to say, SDXC and fast-transfer UHS-type memory cards are not compatible, to make 3DS system read SD card over 32GB, you have to reformat your 3DS SD card to FAT32.

As Nintendo console needs the FAT32 format for SD and SDHC cards, you must be very clear about what your memory cards come pre-formatted and whether it needs to be formatted out of the box. Memory cards are formatted with the following standards:

SD/microSD  2GB or lower  FAT16
SDHC/microSDHC 4GB to 32GB     FAT32
SDXC/microSDXC     64GB or higher   exFAT

How to Reformat 3DS SD Card with High Capacity to FAT32

Those microSD cards have been tested to work seamlessly with the Nintendo 3DS

  • 1. SanDisk Extreme microSDHC


  • 2. SanDisk Extreme PLUS microSDHC

16GB: SDSDQX-016G-A46A
32GB: SDSDQX-032G-A46A

  • 3. SanDisk Extreme PRO microSDHC


  • 4. Toshiba microSDHC


  • 5. Samsung


No matter you got a memory card under 32GB or beyond the capacity, you can adjust it and make it workable on the handheld console. All you need is the help of EaseUS Partition Master. On the one hand, SD cards under 32GB with NTFS file system can apply to 3DS by converting NTFS to FAT32; on the other hand, SDXC memory cards between 64GB and 128GB can also go compatible with 3DS provided it is somehow formatted to FAT32.

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 Windows 10 is supported

Follow the guide below to use EaseUS free partition manager to format your SDXC card with high capacity to FAT32 to make it possible to work on 3DS as SD cards and SDHC cards.


Step 1: Launch EaseUS Partition Master, right-click the partition you intend to format and choose "Format".

Format Hard Drive Partition - Step 1

Step 2: In the new window, enter the Partition label, choose the FAT32 file system, and set the cluster size according to your needs, then click "OK".

Format Hard Drive Partition - Step 2

Step 3: Then you will see a warning window, click "OK" in it to continue.

Format Hard Drive Partition - Step 3

Step 4: Click the "Execute Operation" button in the top-left corner to review the changes, then click "Apply" to start formatting the partition to FAT32.

Format Hard Drive Partition - Step 4

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Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

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