SanDisk SDSQXCD-128G-GN6MA Extreme Pro 128GB MicroSDXC

The SanDisk Extreme Pro microSDXC in 128GB capacity is engineered for users who need fast, reliable storage in compact devices. With sequential read speeds up to 200MB/s and write speeds up to 90MB/s, it handles the demands of 4K UHD video capture, rapid-fire photo bursts, and large file transfers with confidence. The V30 and U3 speed class ratings guarantee a minimum 30MB/s sustained write, which is the threshold required by cameras and drones for smooth 4K recording without dropped frames or buffer overflows.

Beyond raw speed, the Extreme Pro carries an A2 application performance rating, meaning it is optimized for random read and write operations — the kind that matter when running apps directly from the card on a smartphone or tablet. Durability is another strength: SanDisk has tested the card to be water-proof, X-ray-proof, and temperature-proof, so it can survive the kinds of conditions that outdoor photographers, travelers, and action-sports shooters routinely encounter. At 128GB, it offers a practical balance between capacity and cost for most shooting scenarios.