
I need a micro SD card for my Roku 3 and Roku only uses 2GB of memory regardless of memory card capacity. It was the best combination of price and storage for my needs, plus a full size SD card adapter is included so this memory card can be used in a full size SD slot. I'm not sure about Roku, but I've seen hardware situations in the past where high capacity memory cards would cause errors and the device wouldn't work until the card was removed.

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