The best Micro SD cards for Nintendo Switch 2024

The Nintendo Switch may well be getting on a bit now, but the fact is that it's been a smash hit for Nintendo. Despite all its successes though, its internal storage simply isn't big enough in 2024 - the 25.9GB of accessible space isn't enough to keep multiple games, and to make matters worse, sometimes you can't fit larger AAA games onto it at all, making an SD card an absolute necessity.

With the humble SD card slot, you'll be able to add in a card that will increase your storage to no end and give you significantly more game storage space. Figuring out the best Micro SD card for your Nintendo Switch may be a little bit more difficult than you might anticipate, with questions over capacity and the general performance of installed games on an SD card versus a cartridge or the console's internal storage.

It's at this point where we've decided to step in and help, recommending our picks of the bunch when it comes to a multitude of different Micro SD cards you can choose. These can range from cheaper cards that provide the best price-to-performance ratio to some absolute behemoths that offer upwards of a terabyte of storage.

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Regardless of how much storage capacity you need though, we've got a good selection of cards that should be sure to suit what you need. It's worth noting that higher capacity cards are becoming increasingly affordable, so choosing a 256GB or even 512GB option might offer the best value for money.

As well as simply recommending cards for you to try, we'll also share the results of our load time tests for different games, and also the best ways to move your data over from the internal storage to the SD card, and from the card to the internal storage, too. In crunching the numbers, it reveals that the Micro SD cards we've chosen over slightly speedier load times compared to the internal storage, which is worth remembering if you're intending on either buying a game digitally or getting it as a physical cartridge. Anyways, enough chat - here's our top picks for the best Micro SD cards for Nintendo Switch!

Best Switch Micro SD cards UK

For UK buyers, there's been something of a shift as 512GB cards now offer the best value per gigabyte by some margin, with 128GB and 256GB options behind. 1TB cards are also getting much cheaper than before, meaning you don't pay much more per gigabyte to get a massive amount of game storage on your Switch.

Best Switch Micro SD cards USA

Our US recommendations are slightly different, as there are more brands represented on Amazon.com than on its sister sites. We've selected four cards from a few different companies, all of which excellent value for money and come with favourable customer reviews. As of 2023, 256GB and 512GB cards are the best options in terms of cost per gigabyte, while 1TB cards now cost the same per gigabyte as 128GB cards - a stunning turnaround.

The Switch supported Micro SD cards up to 32GB at launch, but a software update soon thereafter pushed this limit all the way to 2TB. 2TB cards are in the works from Kioxia, with their mass production starting in December 2023, and we're also seeing 1.5TB cards from SanDisk make their way onto the market - at vast expense, however. Massive 512GB cards are becoming relatively affordable and even 1TB cards are starting to make sense, though. The most important point here is that the more space you have, the more games you can install to the card and the less time you have to spend deleting or re-downloading games. Therefore, our recommendation is that you get the largest Micro SD card you can afford, though our recommendations also include best value offerings based on GDP or USD per gigabyte calculations.

Switch Loading Times! Cartridges vs Micro SD vs Internal Storage!

Of course, capacity is only half of the equation - what about speed? Well, here the Switch isn't quite so future-proof. The console only supports UHS-1 cards, which have a maximum possible speed of 104MB/s, compared to the 312MB/s speed limit of the more modern UHS-2 standard. However, our testing revealed only a tiny differential between the slowest and fastest UHS-1 Micro SD cards on the Switch, so our recommendations are tailored towards capacity and value rather than speed.

As well as testing different Micro SD cards, we also examined two other options for playing Switch games: using internal storage and reading directly from the game cartridge. To get an accurate idea of which storage method is the fastest in different situations, we took frame-perfect load time recordings from The Legend of Zelda: Breath of the Wild. We tested both starting up the game and fast-travelling between areas, and the results were surprising - you'd think that Nintendo's own cartridges would offer the best loading times, but that's not the case...

In every test, we got the same hierarchy of results: reading from the game cartridge was the slowest method, while the internal storage was the fastest. The two Micro SD cards we tested offered near-identical times, a little faster than the cartridge but slower than internal storage, sometimes by an appreciable margin. For example, in our Temple of Time load test, the internal storage was five seconds faster than the cartridge, and four seconds faster than either Micro SD card. That means if you want to absolutely minimise game load times, then installing your most-played games to the Switch's internal memory is a wise move.

Note: These tests were performed before Nintendo added a so-called 'boost mode' to Breath of the Wild, which pushes the Switch's processor to its limits to speed up the loading process when you first enter a game or move to a new area. However, the hierarchy of different storage methods remains the same.

Now that you have your selected Micro SD card installed, how do you move Switch games to Micro SD? Unfortunately, it's not currently possible to move game install data directly from the Switch's internal memory to a Micro SD card. Instead, you must follow a set of arcane instructions to archive the software, then download it again.

Start by visiting System Settings, selecting Data Management and then Manage Software. Then select the game you want to transfer, and select Archive Software, then Archive. Now, insert your Micro SD card, go back to the home screen and select the archived game. Select Download, and the game will be downloaded onto your Micro SD card. Your save data won't be affected (this is stored on the Switch's internal memory), but you will need to wait for the download to complete, which may be a pain for those with slower internet connections. If you want to move games to your internal storage, follow the same steps but remove the Micro SD card before downloading your game to ensure it is installed onto the Switch's flash memory.

To sum up, the fastest storage option is the 32GB of space that makes up the Switch's internal flash memory, so use this for your most-played games using the method outlined above if the absolute fastest loading speeds are your priority. Micro SD cards come next, offering comparable speeds and much larger capacities. When it comes to choosing the best Micro SD card, our advice would be firstly to choose a reputable brand (no-name cards are to be avoided, especially when good makes like Samsung, SanDisk and Kingston are reasonably priced). Secondly, as long as you're set with a UHS-1 card, you can afford to largely ignore read and write speeds and instead focus on choosing the largest capacity you can afford, as our testing didn't reveal a significant real-world advantage for higher-spec cards.