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The SanDisk Ultra is a UHS-I microSDXC card rated A1 for app performance, with read speeds up to 150MB/s and a full-size SD adapter in the box. It is aimed at Android phones and tablets, Chromebooks, Windows laptops and the original Nintendo Switch, where it adds storage for apps, photos and Full HD video. It is a value-focused card rather than a fast one: it is rated for Full HD recording, not 4K, and its write speeds are modest next to SanDisk's Extreme line. Owners generally find it reliable for everyday storage and complain mainly when they expect more speed than the card delivers.
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Owners treat the Ultra as a dependable, low-cost card for phones, tablets and the original Switch. Praise centers on capacity and everyday reliability; criticism comes from buyers who expected faster writes or tried it in demanding devices.
The SanDisk Ultra is a 512GB microSDXC UHS-I memory card that comes with an adapter. It adds storage to Android smartphones and tablets, Chromebooks, and Windows laptops. It is compatible with the Nintendo Switch, but not the Nintendo Switch 2.
Read speeds reach up to 150MB/s. The card has an A1 rating for app performance, which means 1500 read IOPS and 500 write IOPS. These figures are based on internal testing, and results may vary with the host device, app type, and other factors. The SanDisk Memory Zone app lets you view, access, and back up your phone's files in one place.
The card is backed by a 10-year limited warranty.
