It never hurts to have some extra flash storage, and Best Buy is discounting speedy SanDisk SD and MicroSD cards, today only. You can even choose from UHS-1 (~40 MB/s) or UHS-3 (~80 MB/s) speeds for each size, making this a great deal for photographers or 4K-shooting GoPro owners. [SanDisk Flash Storage Sale]

Update: Amazon has matched or beaten a couple of the prices.

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