The SanDisk Extreme Pro CFast 2.0 memory card delivers the high performance the broadcast, cinema and photography industries demand today. The card combines the speed, capacity and performance needed to record cinema-quality 4K video (4096x2160p). It delivers a write speed of up to 450mbps [64GB is 430mbps] and data transfer speeds, up to 525mbps. With a video performance guarantee of 130mbps (VPG 130) and 64GB to 256GB of storage capacity, this is a great memory card for the new generation of professional cameras and camcorders. Our second generation CFast card, the SanDisk Extreme Pro CFast 2.0 memory card was designed in collaboration with leading edge camera manufacturers to assure an exceptional user experience from the first shot.