Lexar High-Performance MicroSDXC 633x 64GB UHS-I U1 w/USB 3.0 Reader Flash Memory Card (old U3 version) LSDMI64GBBNL633R Premium memory solution for sports camcorders, tablets, and smartphones Quickly captures, stores, plays back, and transfers media files, including 1080p fullHD, 3D, and 4K video | Leverages UHSI technology for a transfer speed up to 633x (95MB/s) Performance of U1 and U3 version is exactly the same Includes highspeed, Class 10 card and USB 3.0 reader Recommended by GoPro for use with Hero3 and Hero3+