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The SanDisk Extreme microSDXC is a UHS-I card built for action cameras, drones, phones and handheld consoles. SanDisk rates it at up to 245MB/s read and 170MB/s write, which puts it well above basic cards and makes it a solid fit for 4K video and burst photos. It carries the A2 app-performance rating, so apps stored on it load faster on Android devices. Rivals in the same class trade blows on write speed, but the Extreme line is widely trusted for reliability in the field.
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Owners generally rate the Extreme line highly for dependable performance in action cameras, drones and consoles. Most praise the fast transfers and stable 4K recording, while some note that sustained writes fall short of the peak figure.
The SanDisk Extreme Micro SDXC Memory Card is a 512GB UHS-I card. It is made for photographers and videographers who shoot in the field or in the studio.
It reads at up to 245MB/s and writes at up to 170MB/s.
