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The SanDisk Extreme microSDXC 512GB is a UHS-I card built for action cameras, drones and phones that record 4K video. It carries a V30 rating, so it sustains the 30 MB/s write speed 4K recording needs, and SanDisk rates it for up to 190 MB/s reads and 130 MB/s writes in its own UHS-I reader. It is the middle tier of SanDisk's line: the Ultra is slower and cheaper, while the Extreme Pro adds speed for burst shooting and high-bitrate footage. Owners pick it for reliable 4K capture and fast offloads; the main complaints are heat in constant use and the fact that it needs a UHS-I reader to hit its rated speeds.
In stock
Availability unknownSold by brybr8604 (99% positive, 96 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknownSold by fastcashnj (99.8% positive, 12,400 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $119.85 on Nov 8 at Newegg. Tracked across 1 store since Nov 8.
Reviewers and owners rate the Extreme line highly for 4K recording in action cameras, drones and the Switch, and praise its read speeds when offloading. Complaints center on heat during long sessions and on cards that fall short of rated speeds in slower readers.
