The Delkin Devices 512GB BLACK CFexpress Type B Memory Card is designed for professional photographers and videographers and has a storage capacity of 512GB. It excels at raw and continuous-burst photography, as well as 8K, 6K, and 4K video at high bitrates and frame rates. You'll be able to achieve maximum read speeds of up to 1645 MB/s and minimum write speeds of at least 1405 MB/s thanks to a PCIe 3.0 interface.