The 128GB Ultra UHS-I microSDXC Memory Card from SanDisk features a storage capacity of 128GB and takes advantage of the UHS-I bus to support DSLR functions such Full HD video as well as raw and JPEG captures. This card achieves maximum read speeds of up to 140 MB/s, and thanks to its U1/Class 10 speed class rating, minimum write speeds are guaranteed not to drop below 10 MB/s. Using its A1 certification, which optimizes it for Android apps, users will experience faster app launches and performance. This card is also resistant to water, shock, x-rays, magnets, and temperature extremes.