Hyundai 64GB microSDXC UHS-I Memory Card with Adapter, 90MB/s (U3) 4K Video, Ultra HD, A1, V30 - Up to 35MB/s write speeds for fast shooting. 4K UHD and Full HD ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30). Rated A1 for faster loading
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