New SD Express card spec is nearly four times faster than the current one
The Verge
MAY 20, 2020
That faster transfer rate could be useful as new technologies, like 8K video, create ever-larger files, which in turn require faster throughput if you want to transfer data in a timely manner. specification allows for transfer speeds of up to 3,938 megabytes per second, according to an SD Association white paper.
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