The Delkin 512GB BLACK CFexpress Type B 4.0 Card uses a PCIe 4.0 interface to deliver up to 3600MB/s read, 3200MB/s write, and 2040MB/s sustained write speeds. VPG-400 certification supports 8K, 6K, and 4K RAW recording at high bitrates and frame rates. Designed for reliability, it resists water, shock, and extreme temperatures, and is serialised for traceability.