Compared across 3 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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The SanDisk Extreme Go is a UHS-I SDXC card rated V30 and U3, with read speeds up to 230 MB/s and 512GB of capacity. That makes it a workhorse card for 4K video and long burst shoots on cameras that use UHS-I, where it is cheaper than UHS-II cards but slower on writes. It suits photographers and videographers who want lots of space without paying for UHS-II. Reviewers generally find it reliable, though sustained write speed is the usual weak point of UHS-I cards.
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Lowest price we've seen: $135.38 on Nov 8 at Newegg. Tracked across 3 stores since Nov 8.
Owners of the Extreme line generally report dependable performance and fast file transfers, and the 512GB size is popular for video work. The common complaint is that write speed lags behind premium cards when shooting long bursts or high-bitrate footage.
