Lexar Professional 2000x SDXC UHS-II Memory Card, 300MB/s Read, 260MB/s Write, 2-Pack UHS-II Technology: The cards also leverage UHS-II technology (UHS Speed Class 3 (U3)) for high-speed performance, so you’ll power through post-production with super-fast file transfer from card to computer Stunning 4K Video: Using a DSLR or cinema-quality video camera, you’ll be able to …