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The ProMaster Professional 512GB microSDXC is a UHS-I card rated V30 and U3, with read speeds up to 90 MB/s. That puts it in the same class as mainstream SanDisk Extreme and Samsung EVO Plus cards: fine for 4K video at 30fps, burst photos and drones, but not a match for UHS-II or V60 cards in sustained writes. The 512GB capacity holds a large library for action cams, phones and handheld consoles. It suits casual and semi-pro shooters who want one big card; buyers needing 4K/120fps or 8K should look at faster V60 or V90 media.
In stock
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Lowest price we've seen: $219.95 on Nov 8 at Abt Electronics. Tracked across 1 store since Nov 8.
