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The SanDisk Extreme PRO 512GB is a UHS-I microSDXC card built for action cameras, drones and Android phones. It is rated for up to 200MB/s reads and 140MB/s writes, and carries the A2 app-performance rating for running apps from the card on a phone. It is also rated shockproof, temperature-proof, waterproof and X-ray-proof. Against UHS-II cards it is slower on paper, but it is a proven, widely used choice for 4K action-camera footage and large photo libraries.
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Owners of action cameras and drones generally rate the Extreme PRO highly for reliable 4K recording and fast transfers to a computer. Some note that real write speeds sit below the rated peak and that sustained recording can slow.
The SanDisk Extreme PRO is a 512GB microSDXC UHS-I memory card, model SDSQXCD-512G-GN6MA. It is made for Android smartphones, GoPro and other action cameras, and drones. It records 4K UHD video, Full HD video, and high-resolution photos.
The card reads at up to 200MB/s and writes at up to 140MB/s. It is A2-rated for fast application performance on a smartphone.
It is built to handle harsh conditions. The card is shockproof, temperature-proof, waterproof, and X-ray-proof.
