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New SD card standard unveiled offering up to 985MB/sec transfer speeds and 128TB capacity

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Just as we start to accept UHS-II into our lives, and before UHS-III is even a real thing, a new standard hits the streets. That’s right, folks, SD Express has now been announced, offering data transfer speeds of up to 985MB/sec. It also bumps up the maximum capacity from SDCX’s 2TB to the new SDUC’s 128TB.

SD Express uses PCIe and NVMe interfaces to deliver these faster transfer speeds. To read about how the SD Association talks about SD Express, it’s almost like they want or expect people to start using these as portable SSD replacements for general use.

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New UHS-III SD Card spec offers blazing transfer speeds up to 624MB/sec

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Just as Sony hits the “world’s fastest” mark with their new SF-G Series UHS-II cards, the SD Association comes along and moves the goalposts. Well, this card is almost at the theoretical 312MB/sec limit of the UHS-II specification. The SD Card Association have now announced the new UHS-III specification, which doubles this limit to 624MB/sec.

With cards ever expanding in size due to the demands of today’s gear, the speed has to also increase. Even if that increase really only benefits the speed at which you can back everything up to your computer. Of course, there will be real world benefits. Now that the megapixel wars seem to have shifted from stills to video, the SDA specifically cite 8K footage as one of their considerations.

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Next SD cards will go at 90MB/sec min and capture 8K video

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The SD Association, the group responsible for developing standards for Secure Digital memory cards, have unveiled the newest version of the SD standard, SD 5.0.

This iteration has been released specifically to address video and the write speeds required to capture 8K and 360° video footage, and will introduce a new Video Speed Class labelling system.

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