Sandisk Extreme PRO 64GB SDXC UHS-I Memory Card For CAMERA 200MB/S

Save time with card offload speeds up to 200MB/s powered by Quick Flow Technology (read speeds up to 200MB/s, designed with proprietary technology and compatible with UHS-I to reach speeds above 104MB/s) A device is required Based on internal testing Performance may be lower depending on host device, interface, usage, and other factors.1MB = 1 million bytes.X = 150KB/s. Quick Flow technology requires 64GB, (Only available for 128GB, 256GB, 512GB, 1TB capacities. 1GB = 1 million bytes. 1TB = 1 million bytes. Actual user storage is less.)Pair Professional PRO-READER SD and microSD for maximum speed (sold separately)Shot speeds up to 90MB/s (Write speeds up to 90MB/s. Based on internal testing, performance may be lower depending on host device. 1MB = 1 million bytes. X = 150KB/s).Ideal for 4K UHD video and sequential burst mode shooting (Full HD (1920x1080) and 4K UHD (3840 x 2160) Video support may vary depending on host device, file attributes and other factors. See HD page on site please give me.)UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (UHS Speed Class 3 specifies performance options designed to support 4K UHD video recording with an enabled UHS host device. UHS Video It specifies Speed Class 30 (V30), a sustained video capture rate of 30MB/s, performance options designed to support real-time video recording with UHS-enabled host devices. Visit the official website of the SD Association.