The SD Association has today announced microSD Express, a new storage format for mobile devices. The association revealed the product during MWC 2019, and it's calling it the "fastest memory card for mobile devices."
MicroSD express supports the PCIe 3.1 and NVMe v1.3 specifications via its second pin-row, delivering theoretical transfer rates of up to 985MB per second (yes, almost one gigabyte every second).
The tech is arriving in capacities like microSDHC Express, microSDXC Express, and microSDUC Express. It will be backwards compatible with many existing microSD card products.
The SD Association believes these cards are prepared to meet the demands of the evolving tech world, and sees not just applications in mobile but in the automotive, photography, VR, video, and more.
The MicroSD Express max speeds far exceed older microSD cards — the previous max is on the 3rd gen Ultra High-Speed UHS-III at 624MB/s — and makes them more comparable to removable Solid State Drives. In the future, they could lead to manufacturers re-considering certain design decisions with these new cards in mind.
We don't have any details on when we'll see these hit the market or how much they'll cost just yet but we'll let you know when we have more.
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