Samsung U3 32GB MicroSD Card | $7 | Amazon
Samsung U3 64GB MicroSD Card | $15 | Amazon
Samsung U3 128GB MicroSD Card | $30 | Amazon
Samsung U3 256GB MicroSD Card | $70 | Amazon
Graphic: Shep McAllister
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Samsung’s U3-rated microSD cards are some of the fastest and most popular options out there—I have the 128GB model in my own Nintendo Switch—and all four sizes are down to new all-time low prices today on Amazon. If you need extra space for your action cam, smartphone, tablet, Switch, or anything else, these are extremely good deals.