The SD Association is bringing extremely fast read speeds of up to 985 MBps to microSD cards.
About 10 times faster than current high-end cards are capable of, microSD Express uses the NVMe 1.3 and PCIe 3.1 interfaces that are deployed in PC computers to power high-speed SSD drives.
This technology is integrated into the second row of pins on the card. This means microSD Express cards will work at full speed on compatible devices but will also be backward compatible.
The new standard will not only provide much higher transfer speeds but also reduce power consumption compared to regular microSD cards. This due to support for the low-power sub-states (L1.1 and L1.2) of PCIe v3.1.
High-speed and high-capacity microSD cards provide the most value to video shooters who need the capability to shoot 360-degree and/or raw footage without being limited by storage. Though the standard has been announced, no cards are available on the market yet.
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