The SanDisk 256GB Extreme microSD Card delivers read speeds up to 245MB/s and write speeds up to 170MB/s on compatible devices. It records 5.3K and 4K UHD video without dropping frames, making it a fit for action cameras, drones, and Android phones. The card carries A2, V30, and U3 ratings for fast app loading and sustained write speeds for high-bitrate video. You can use it in a GoPro, a DJI drone, a Nintendo Switch, or any device that takes a microSDXC card. The card also comes with a SanDisk lifetime warranty in most regions.
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An easy way to add more storage to all your compatible devices
A major feature that distinguishes this card from other microSD cards is the 245 MB/s read speed enabled by SanDisk’s QuickFlow technology. Compared to most standard microSD cards, this model’s read speed will be higher than average. The catch is you won’t reach these high speeds unless you have a supported reader or device. The 170MB/sec write speed enables smooth writing for both high-bitrate video recording and photo bursts, with no buffer stops during longer shots.
With 256GB of storage, the card holds about 10 hours of high-bitrate 4K UHD footage or several thousand high-resolution photos. You can drop it into a GoPro Hero or DJI drone for a long shoot and not worry about running out of space mid-session. It also doubles as expandable storage for Android phones, Nintendo Switch consoles, and most action cameras released in the past few years. For Android devices, the A2 rating means apps and games load noticeably faster than from older Class 10 cards.
