Achieve pro-level performance with the 64GB Extreme PRO UHS-II SDXC Memory Card from SanDisk, which lets users capture 8K, 4K, and Full HD video as well as raw photos and continuous shutter bursts. This card features a storage capacity of 64GB and takes advantage of the UHS-II bus to support read and write speeds speeds of up to 300 MB/s. Thanks to the V90 Video Speed Class rating, write speeds are guaranteed not to drop below 90 MB/s.