Designed for professional videography and photography, the 960GB PRO-CINEMA CFexpress Type A Memory Card from SanDisk uses the PCIe 4.0 bus to provide read speeds up to 1800 MB/s and write speeds up to 1600 MB/s, so you can capture 8K (7680 x 3420), 6K (6144 x 3160), and DCI 4K (4096 x 2160) video.