One of the best options for dependability, performance, and unwavering image and 4K UHD video quality is the SanDisk Extreme PRO SDXC UHS-I Card 64GB 170MB/s. Important Features 64 GB of storage Capacity Class 10 Max, V30, U3, and UHS-I Maximum Read Speed: 170 MB/s Speed of Writing: 90 MB/s Min Speed of Writing: 30 MB/s Documents 3D, 4K, and Full HD Video Integrated Write-Protect Switch Details Amount One SDXC card with a storage capacity 64 GB Video Speed Class V30 Bus Type HS-I Speed Class 10 UHS Speed Class U3 Maximum Read Speed: 170 MB/s Maximum Write Speed: 90 MB/s Minimum Write Speed: 30 MB/s Sturdiness Waterproof, X-ray proof, shockproof, and resistant to extreme temperatures Storage Temperature: -25 to 85°C/-13 to 185°F -40 to 185°F (-40 to 85°C) in temperature Yes, wireless capability with an integrated write-protect switch Not one