Lexar 64GB microSDXC UHS-I 633X High-Performance Memory Card 2-Pack Bundle LEXAR AUTHORIZED DEALER With FULL Warranty 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 3.0 adapter. RECOMMENDED by GoPro