Lexar launches new super-fast microSD cards ideal for Android camera phones

Lexar Professional 1066x microSD SILVER Series
(Image credit: Lexar)

Lexar has launched a new range of microSD cards designed for action cameras, drones and camera phones. The new Lexar Professional 1066x microSDHC/microSDXC Cards SILVER Series boasts the fastest possible speed ratings for a UHS-I microSD card, being U3, V30 and A2 certified. This means you get blistering fast 160MB/s read and 120MB/s write rates, making these cards an ideal choice for 4K or high bit-rate Full HD video capture, and possibly the best microSD cards for smartphones.

(Image credit: Lexar)

But it's the A2 certification that makes these cards particularly appealing for use in an Android camera phone with expandable storage. Android can utilize a microSD card for storing images and videos, but it can also use the card as a seamless extension of a phone's built-in memory, so you can install apps to, and load apps from, the microSD card. With a slow microSD card, this can cause sluggish app performance, but not with an A2-rated microSD card.

A2 - or Application Performance Class 2, to give it its full title - doesn't measure speed in terms of megabytes per second in a sustained data transfer - e.g. reading or writing one large video file. Instead, Application Speed Class measures IOPS (Input/Output operations Per Second), which is the number of small files that can be randomly read from and written to the card per second. A2 speed class means the card is rated for a minimum 4000 IOPS random read and 2000 IOPS random write. To put that in perspective, this kind of speed can equal or possibly even exceed the IOPS rating of a phone's built-in storage.

Lexar Professional 1066x microSDHC/microSDXC UHS-I SILVER Series cards will available in November and will come in 64GB, 128GB, and 256GB capacities. 32GB and 512GB are expected at a later date.

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Lexar Professional 1066x microSDHC/microSDXC UHS-I SILVER Series pricing
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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.