Steam Deck looks like it might be the handheld PC from your wildest dreams — but it's also not got much storage. With the most affordable version only having 64GB (and even some of that is taken away by the Steam-OS), and even the largest model sitting at just 512GB, you're probably going to run low on storage rather quickly.
Lucky for us, the Steam Deck comes equipped with a handy SDXC compatible SD card slot, so expanding the storage shouldn't be much of an issue at all. If you're expecting your Steam Deck soon, or even having to wait until Q2 of 2022 like a lot of us, you'd still be wise to look into what SD cards will suit the new system. So, to give you a headstart, we've found the absolute best SD cards for the Steam Deck right now. If you're short on time, we've also included an easy TL;DR just below for your convenience.
In our opinion, the SanDisk Extreme 1TB Card is absolutely the best SD card for the Steam Deck. It's not exactly cheap, but you're paying for a premium product and that means you'll need to pay a little extra to get that solid performance.
Cards like this are built with portable devices like the Steam Deck in mind, so you're getting 1TB of extra storage, and top of the range specs.
The Lexar Play SD card is another great option for the Steam Deck, and has similar specs to our top pick the SanDisk Extreme. One thing you'll quickly notice is that compatible SD cards for the Steam Deck aren't exactly cheap.
Overall, this is the biggest downside for most of them. If price is starting to become an issue, I'd definitely suggest opting for a 512GB SD card rather than the 1TB; often enough these sit around $60-80 instead.
On the topic of smaller and cheaper SD cards, the SanDisk Extreme Pro 400GB is another
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