• Krzd@lemmy.world
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    3 months ago

    I don’t think microSD has the write speed for that, might be more useful for HD surveillance cameras

    • frezik@midwest.social
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      3 months ago

      Uncompressed 4k stream @ 30fps and 24bpp would be 5.7 GB/s. The top regular SD card speed, UHS-III, maxes at 0.6 GB/s. SD Express, where a PCIe lane is added, goes to 3.9 GB/s.

      So, yeah, going to need at least some compression. Good news is that just a little compression can go a long way.

      • Blackmist@feddit.uk
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        3 months ago

        Even full 4K HDR Blu-ray rips come in at about 30GB an hour.

        That’s 500MB per minute which just about fits in the 10MB/s of UHS Class 1.

        I would consider those fairly standard these days. You’d have to have picked an extra shitty AliExpress special to not have your card meet that.