The PNY Technologies 64GB Elite Performance UHS-1 SDXC Memory Card is rated Class 10 and features an Ultra High Speed (UHS-1/U3) data bus to deliver a read speed up to 95 MB/s. It works with SDXC-compatible devices such as digital/DSLR cameras, camcorders, and computer systems. For storing high-definition content, it comes with a storage capacity of 64GB, which can hold up to 14.5 hours of videos. To help protect your data, PNY Technologies has designed it with magnet-proof, shockproof, temperature extremes, and waterproof technologies. In addition, you can prevent accidental erasure of your precious data with the write-protection switch.