Choose the SanDisk Extreme PRO SDHC or SDXC UHS-II memory card for super-fast, uninterrupted burst mode recording, maximum efficiency in post-processing, and top-notch performance in video recording. These powerful SDHC and SDXC memory cards offer recording speeds of up to 260 MB/s (1733X) and transfer speeds of up to 300 MB/s (2000X). Their recording performance for continuous video recording of up to 30 MB/s (U3) supports Full HD and 4K cinema-quality video recording from 32 GB to 128 GB. Optimized for cameras that support the new UHS-II standard, the SanDisk Extreme PRO SDHC and SDXC UHS-II memory cards deliver uncompromising results as expected by professional photographers.