the POWER 4.0 CFexpress Type B Memory Card from Delkin Devices features a storage capacity of and is designed for professional photographers, videographers, and high-end cinematic hosts. It is well-suited for raw and continuous-burst photography as well as 8K, 6K, and 4K video at high bit rates and frame rates. Thanks to a PCIe 4.0 x2 bus, you can achieve maximum read speeds up to 3650 MB/s, maximum write speeds of 3240 MB/s, and sustained write speeds of 820 MB/s. To help facilitate card usage in almost any environment as well as keeping your content safe, Delkin designed its POWER Series to be resistant to shock and water. Please note that this card is not compatible with CompactFlash, CFast 2.0, or CFexpress Type A hosts.