UHS Speed Class 3 (U3), Video Speed Class 90 (V90). 128GB Storage Capacity. 128GB storage capacity. Optimized for 4K (3840x2160p) / 8K (7680 x 4320) Full HD video recording and playback. Because 4K/8K videos and raw shooting pictures not only require significantly higher write and read performances but also higher space on the card.
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