Enjoy the performance and power to store and transfer the high capacity high-res files with the efficient SD UHS-I memory card, delivering fast speed and reliability for shooting in extreme environments and transferring files in post-production workflows. The UHS Video Speed Class 30 (V30) and UHS Speed Class 3 ratings means the SanDisk Extreme PRO card lets you capture uninterrupted continuous shooting.Benefits64GB storage capacity.Write speed up to 90 MB/s.Fast read speeds of up to 200MB/s.Class 10 speed and U3, V30 ratings for recording videos.4K UHD Video Ready with compatible devices.Designed to withstand extreme environments.Form Factor: SDXC.Product