New microSD Express format announced: transfer speeds up to 985MB/s

If you thought UHS II microSD cards were hot property, the SD Association has just redefined what we can expect from these tiny flash memory cards. Launched at MWC 2019, microSD Express is coming, and with it read speeds of up to 985MB/s. 

To put that in perspective, the recently revealed SanDisk Extreme microSDXC 1TB card can 'only' muster up read speeds approaching 160MB/s, and that's currently the world's fastest UHS-I microSDXC memory card.

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Ben Andrews

Ben is the Imaging Labs manager, responsible for all the testing on Digital Camera World and across the entire photography portfolio at Future. Whether he's in the lab testing the sharpness of new lenses, the resolution of the latest image sensors, the zoom range of monster bridge cameras or even the latest camera phones, Ben is our go-to guy for technical insight. He's also the team's man-at-arms when it comes to camera bags, filters, memory cards, and all manner of camera accessories – his lab is a bit like the Batcave of photography! With years of experience trialling and testing kit, he's a human encyclopedia of benchmarks when it comes to recommending the best buys.