The 64GB SDXC Memory Card Pro Series Class 10 UHS-I from Samsung is a card capable of holding 64GB of data. It has a Class 10 rating for minimum read and write speeds of 10MB/s--but it also complies with the Ultra High Speed Class 1 (UHS-I) specification and is capable of fast maximum read speeds of 80MB/s and write speeds of 40MB/s. The Pro Series is waterproof, as well, and has been proven to last up to 24 hr in seawater. It's also shockproof against small drops and magnet-resistant, in addition to being capable of withstanding extreme temperatures of -40 to 185°F.
Limited 10-Year Warranty
Samsung 64GB SDXC Memory Card Pro Series Class 10 UHS-I