The Western Digital SanDisk CFexpress Type B Card, part number SDCFE-256G-GF4NN, is a high-performance memory card designed for professional use cases requiring rapid data transfer. This 256GB PCIe flash drive offers read speeds up to 1700MB/s and write speeds up to 1200MB/s. Its robust performance profile ensures that critical data can be captured and offloaded quickly, supporting operations where speed and capacity are paramount.