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The SanDisk Ultra is a UHS-I microSDXC card rated A1 for app performance, with up to 150MB/s sequential read speed 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 stores games, photos and Full HD video. It is a value-tier card: fine for everyday storage and app loading, but its write speeds are modest next to SanDisk's Extreme line, so it is not the pick for 4K recording, action cameras or sustained burst shooting. Buyers generally find it reliable and easy to set up, while the most common complaints are that real-world speeds fall short of the headline figure and that it is not meant for the Switch 2.
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Owners describe the SanDisk Ultra as a dependable, low-drama card that works straight out of the package in phones, tablets and the original Switch. Praise centers on easy setup and enough space for large game and media libraries; criticism focuses on write speeds and on speed claims that do not always hold up in practice.
This is a 512GB SanDisk Ultra microSDXC UHS-I memory card that comes with an adapter. It expands storage on Android smartphones and tablets, Chromebooks, and Windows laptops. It is also compatible with the Nintendo Switch (not the Nintendo Switch 2).
The card offers read speeds of up to 150MB/s and an A1 app performance rating, which means 1500 read IOPS and 500 write IOPS. A1 results are based on internal testing and may vary with the host device, app type, and other factors. It works with the SanDisk MobileMate USB micro 3.0 microSD card reader for transferring files.
The SanDisk Memory Zone app lets you view, access, and back up your phone's files in one location. The card is backed by a 10-year limited warranty.
