I just got my Nintendo Switch 2, and my internal storage is already filling up with all my old games and saves! If you're in the same boat, you may have also noticed you can't just jam in the SD card from your original Switch and keep rocking. Instead, you'll need a new MicroSD Express card. This Express standard was introduced in late 2023, and it enables write speeds in the hundreds of megabytes, but until now it was used only for high-end digital cameras and niche use cases. As a result, the cards are few and far between, and they carry a significant price premium over the more common MicroSD cards. Before I get too caught up in the price and availability though, let's just go over what the difference is between Express and standard MicroSD cards and what it means for your Switch 2. As you might have guessed from the name, MicroSD Express cards are faster, but to understand exactly what that means, we need to break down what we mean by speed and how it's measured and displayed on...
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