SanDisk Extreme Pro 64GB SDXC is a top of its class memory card providing shot speeds of up to 90MB/s and U3 recording. This allows for stunning high-resolution pictures and stutter-free 4K UHD video. After, the card provides up to 170MB/s transfer speeds providing fast and seamless workflow. The SanDisk Extreme Pro series is also built to withstand weather, water, shocks and other inconvenient conditions. Shoot RAW images on the go.