The SanDisk Extreme 64GB microSDXC Class 10 UHS-I Memory Card with microSD Adapter features maximum read and write speeds of 45MB/s and 45MB/s, respectively, with minimum transfer rates of 10MB/s. These data rates allow for fast and smooth continuous shooting, Full HD 1080p video capture and card-to-computer transfers. This durable card can withstand up to 72 hrs in fresh or salt water and up to 500Gs of shock in addition to being X-ray proof. Downloadable RescuePro Deluxe data recovery software enables you to bring accidentally deleted images back to life. The supplied microSD adapter enables you to use this card in full-size SD slots.