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SD card

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A SanDisk 2 gigabyte SD card.

Secure Digital cards, more commonly referred to as SD cards, are a digital, flash-based storage medium. Initially intended for digital cameras, SD cards have attained widespread use as a storage medium, and it has since been used on various Nintendo consoles as an alternate storage device.

In Super Smash Bros. Brawl[edit]

The Wii has a single SD card slot on it, with the console being able to write some data and software onto SD cards. The Wii only supported SD cards no larger than 2 gigabytes on launch, but later firmware updates allowed it to read SDHC cards, SD cards that can support over 2 gigabytes of data.

Standard save data for Brawl is not saved to SD cards, and instead, is stored on the Wii's own flash-based memory. SD cards, however, can be used to save snapshots, custom stages and replays from the Vault in order to be used or transferred on other Wii consoles. Brawl only supports SD cards that can support no more than 2 gigabytes of data, as it was released before the Wii could take advantage of SDHC cards and the game itself could not be patched in light of this; the use of hacks, however, can force Brawl to read SDHC cards.

Use in hacking[edit]

Through the use of an exploit in Brawl's Stage Builder, it is possible to load customised or otherwise hacked data from an SD card. In addition to allowing for the download of The Homebrew Channel, this also allows for the loading of replacement files, as well as gameplay mods such as Project Mand Balanced Brawl. Through the use of other hacks, it is also possible to force Brawl to read SDHC cards.

In Super Smash Bros. 4[edit]

In Super Smash Bros. for Nintendo 3DS[edit]

The Nintendo 3DS has the ability to save downloaded software and various other types of data to an SD card, and all iterations of the console come packaged with an SD card of some sort; the 3DS includes a two gigabyte SD card, the 3DS XL and 2DS include a four gigabyte card, and the New Nintendo 3DS and New Nintendo 3DS XL include a four gigabyte microSD card.

In Super Smash Bros. for Nintendo 3DS, various types of data are saved to the Nintendo 3DS's SD card rather than its internal memory. Save data takes up 48 "blocks" of memory (or 6 megabytes), and the game's updates also take up varying amounts of space, with version 1.0.5 requiring 1010 blocks (or about 126.25 megabytes). Additionally, if the game is digitally downloaded via the Nintendo eShop, then all of the game's data is saved to the SD card. Snapshots also returned for Super Smash Bros. 4 and are also saved to the SD card, though they can be transferred to the Nintendo 3DS's internal memory if they are accessed via the Nintendo 3DS Camera application.

In Super Smash Bros. for Wii U[edit]

The Wii U also features an SD card slot, with Super Smash Bros. for Wii U requiring an SD card to capture and save snapshots. Smash 4 is uniquely the only Wii U game that can take advantage of the console's SD card slot. If run on a Wii U, Brawl also features full compatibility with SD cards.

Use in hacking[edit]

Like with the Wii, custom data, hacks, and exploits can be loaded on the 3DS and the Wii U via the SD Card. They usually involve placing files on the SD card in conjunction with various exploits on their respective console to trigger a certain response from the console and allow custom data such as cheats and mods to be loaded. A homebrew exploit using Smash 3DS as well as a custom file on the SD Card also exists though it was patched via a game update.

In Super Smash Bros. Ultimate[edit]

The Nintendo Switch also features an SD card slot; unlike the consoles before it, however, the system only supports micro SD cards. Like on the Wii U and 3DS, downloaded applications can be saved to an SD card instead of its eMMC chip, though unlike before the Switch does not natively allow the storage of save data on an SD card.

Ultimate saves all snapshots to internal storage by default, after which they can be moved to an SD card. Unlike in Brawl, custom stages cannot be put onto an SD card.

Use in hacking[edit]

In Switch consoles released prior to July 2018, by preparing files on an SD card that apply runtime patches to the console's operating system, one can load custom data and apply it to any game, facilitating mods and other hack packs.

See also[edit]