Combining industrial strength and reliability with fast performance, the Delkin Devices 256GB BLACK CFexpress Type B Memory Card features a storage capacity of 128GB and is designed for professional photographers and videographers. It is well-suited for raw and continuous-burst photography, as well as 8K, 6K, and 4K video at high bitrates and frame rates. Thanks to a PCIe 3.0 interface, you'll be able to achieve maximum read speeds of up to 1760 MB/s and minimum write speeds of at least 1710 MB/s.