Read speeds of up to 300 MB/s and write speeds of up to 260 MB/s. UHS Speed Class 3 (U3) allows you to record 4K and Full HD (1080p) video at a sustained video capture rate of 30 MB/s
Video Speed Class V90 allows you to record 8K (7680 x 4320) video at a sustained video capture rate of 90 MB/s.
