SanDisk 256GB Extreme PRO CFast 2.0 Memory Card Product Highlights 256GB Storage Capacity SATA III 6 Gb/s Bus Max Read Speed: 525 MB/s Max Write Speed: 450 MB/s Min Write Speed: 130 MB/s (VPG-130) Records DCI 4K (4096 x 2160) Tested Under Extreme Temperatures Product Highlights 256GB Storage... $499.00 Choose Options