Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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A 512GB SDXC card rated UHS-I, U3, V30 and A2, with SanDisk claiming up to 160MB/s read and 160MB/s write. That combination suits 4K video, burst stills and running apps from the card on Android devices. It sits above the Ultra line for sustained writes and below UHS-II cards, which cost more and need a UHS-II reader to show their speed. Reviewers generally find it reliable, though some report real-world writes below the headline figure and warm cards in long bursts.
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Lowest price we've seen: $129.99 on Nov 8 at Newegg. Tracked across 2 stores since Nov 8.
Owners and reviewers generally rate the Extreme line as dependable for 4K video and burst stills, with few failures reported. The common complaints are that sustained write speeds land below the advertised figure and that the card gets warm in long sessions.
