The SANDISK Extreme PRO CFexpress 4.0 Type B Card has a 4TB capacity. It supports capture of 4K, 6K, 8K, and 12K footage. This card utilizes PCIe Gen4 technology, enabling high read speeds up to 3700 MB/s and write speeds up to 3500 MB/s. It features a minimum sustained write speed of 3100 MB/s for 2TB-4TB models, which helps maintain consistent performance during long recording sessions. The card is VPG1600 enabled for 1TB-4TB capacities, ensuring required minimum sustained speeds for video capture. SmartIdle technology is included to help prevent overheating by entering a low-power mode when the compatible camera is idle. This card is built to withstand drops up to 5 meters and resists bends up to 70 newtons.