Gobe Pioneer 64GB SDXC Read 104MB/s Write 65MB/s UHS-1 Class 10 SD Memory Card SD Card designed for High Performance DSLRs, Full HD 3D 4K video & hacked DLRs UHS-1 SD technology facilitating up to 104MB/s read speed and 65MB/s write speed* Backed by a lifetime warranty and full manufacture support SD Card built for adventure photographers: Waterproof, Shockproof, Magnet Proof, X-Ray Proof with an operating temperature range -25C to 85C 5 trees planted for every Gobe product purchased. Join the revolution!