Ideal for Full 1080p HDD?? Ultra 2160p HD?? 3D and 4K video recording</br>Up to 95/60 MB/s ; Minimum constant 30 Mb/s write speed guaranteed for real-time video recording</br>Supports Ultra High Speed Class 3 specification (U3)</br>Improved camera response for fast-action consecutive shooting</br>?Efficient exFAT file system (SDXC)</br>Fully compatible with the SD 4.20 standard. Backwards compatible with the SD 3.0 standard</br>Built-in Error Correcting Code (ECC) to detect and correct transfer errors</br>Supports Content Protection for Recordable Media (CPRM)</br></br>Product Description</br></br>64GB SDXC UHS-I U3</br><br/>http://www.amazon.com/gp/product/B00J3KA814