The 64GB SanDisk Ultra® microSDXC™ memory card combines the highest performance storage capacity and blazing data transfer rates. With excellent performance and value, this card represents an ideal recording media for your HERO3 camera. Capture, store, and relive your exhilarating moments forever with SanDisk® waterproof, temperature proof, shock proof, vibration proof, and x-ray proof memory cards. SanDisk Ultra® microSDXC™ memory cards deliver professional-grade performance for GoPro videos. Only compatible with GoPro 3s.