Kingston Ultimate SDXC 512GB Memory Card. Ideal for full HD and 3D video or high speed HD still image recording. UHS-I technology supports full 1080p HD and 3D videos. Higher continual write speed supports continuous shooting shutter speed reduction modes. Read speed of up to 90 MB/s. and write speed of up to 45 MB/s. 512 GB storage capacity for plenty amount of pictures stored and many hours of video. Built-in card lock switch prevents data from being overwritten to avoid accidental data loss. Tested that it’s waterproof, shockproof, radiation resistant, and -25 to 85 degree Celcius temperature resistant.