ProGrade Digital supercharged microSD cards are primed for 4K action cams and drones

ProGrade Digital 128GB microSD card

ProGrade Digital has announced a new line of ultra high speed UHS-II microSD cards targeted at the latest generation of 4K action cameras and camera drones. Boasting the highest Class 10 U3 speed class ratings, you can expect maximum read rates of up to 200MB/s and write speeds of 80MB/s. 

But that's not all. When shooting high resolution, high bit rate video, sustaining a fast write speed can be more important than peak transfer rates. ProGrade recognizes this and has certified these microSD cards with a V60 Video Speed Class, meaning they're guaranteed not to drop below 60MB/s during recording.

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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.