Rated Class 10 and video speed U3 and V304, the SanDisk® High Endurance microSD™ card has the speed to record in Full HD or 4K.3. Actual hours of video saved less. Up to 20,000 hours for 256GB; 10,000 hours for 128GB; 5,000 hours for 64GB; and 2,500 hours for 32GB.
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