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The SanDisk Extreme 128GB is a UHS-I microSDXC card built for action cameras, drones and Android devices. SanDisk rates it at up to 245MB/s read and 120MB/s write, with U3 and V30 speed classes for 4K and 5.3K video. It sits above the plain Ultra line for sustained write speed but below UHS-II cards that cost far more. Owners of action cams and drones generally trust it for 4K recording; the common caveat is that real-world write speeds fall short of the headline figure and depend on the reader and host device.
In stockSold by Newegg Inc.Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Action cam and drone owners rate the Extreme line as a dependable choice for 4K recording, with fast reads when offloading footage. The recurring complaints are that real write speeds trail the rated figure and that the UHS-I bus limits it next to pricier cards.
The SanDisk Extreme is a 128GB microSDXC memory card with a UHS-I interface and a U3 speed class. It reads at up to 245MB/s and writes at up to 120MB/s.
The card supports 5.3K video and 4K UHD video. It is made for high-performance devices such as action cams, drones and Android devices.
