The SanDisk Extreme PRO CFast 2.0 memory card has the speed, capacity and performance needed to enable cinema-quality 4K video recording (4096 x 2160p) - CFast 2.0 memory card - Read speed up to 525 MB/s - Write speed up to 450 MB/s - Designed for professional videographers - VPG-130 for cinema-quality 4K video