Delkin Devices BLACK CFexpress Type B 4.0 VPG400 Memory Card + USB4 Reader Get unmatched speed and reliability with Delkin Devices' BLACK CFexpress Type B 4.0 Memory Card and USB4 Card Reader – the ultimate combo for professional content creators. Designed for demanding 8K, 6K, and 4K video workflows, the memory card delivers blazing-fast read speeds up to 3700MB/s and write speeds up to 3220MB/s, with a guaranteed minimum write speed of 2040MB/s (VPG400 certified) for flawless RAW burst shooting and real-time broadcasting. Pair it with the Delkin USB4 CFexpress Type B Reader, engineered for transfer speeds up to 40Gbps – twice as fast as USB 3.2 – to streamline your post-production workflow. Built from durable anodized aluminum with built-in card storage and a protective rubberized cover, the compact reader is perfect for travel and field use. It works plug-and-play via USB-C with both Windows and Mac, and is backwards compatible with older USB ports. Whether you're a photographer, filmmaker, or content creator, this professional-grade memory card and reader set delivers top-tier speed, durability, and performance wherever your work takes you.