3-Pack Lexar 64GB microSDXC UHS-I 633X High-Performance Memory Card LEXAR DEALER With FULL Warranty INCLUDES BONUS Instant Savings Coupon LEVERAGES UHS-I technology for a transfer speed up to 633x (95MB/s). STORES AND TRANSFER content quickly with USB 3.0 performance (up to 150MB/s read & 45MB/s write). QUICKLY CAPTURES, plays back, and transfers media files, including 1080p full-HD, 3D, and 4K video. PREMIUM MEMORY solution for sports camcorders, tablets, and smartphones.