The 64GB Ultra UHS-I SDXC Memory Card from SanDisk features a storage capacity of 64GB and takes advantage of the UHS-I bus to support DSLR functions such Full HD video, as well as raw and JPEG captures. It can achieve 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. This card is also resistant to water, shock, x-rays, and temperature extremes, while a write-protect helps safeguard any content for accidental deletions.