For super-fast continuous burst mode shots, maximum post-production workflow efficiency, and high-performance video recording, get SanDisk Extreme PRO SDHC and SDXC UHS-II cards. The high-performance SDHC and SDXC memory cards boast shot speeds up to 260MB/s* (1733X) and transfer speeds up to 300MB/s* (2000X). UHS Speed Class 3 (U3) supports 32GB to 128GB** of Full HD and cinema-quality 4K video recording1. Optimized for cameras that support the new UHS-II standard, SanDisk Extreme PRO SDHC and SDXC UHS-II cards deliver the uncompromising results that professional photographers demand.