The POWER 4.0 CFexpress Type B Memory Card from Delkin Devices combines reliability with unmatched performance. Offering some of the fastest sustained write speeds, the POWER CFexpress Type B card is specifically designed to excel in the latest generation of high-end cinematic hosts. Capable of speeds fast enough to record 4K/6K/8K Video, as well as continuous RAW files. Overview The POWER 4.0 CFexpress Type B Memory Card from Delkin Devices combines reliability with unmatched performance. Offering some of the fastest sustained write speeds, the POWER CFexpress Type B card is specifically designed to excel in the latest generation of high-end cinematic hosts. Capable of speeds fast enough to record 4K/6K/8K Video, as well as continuous RAW files. Product Highlights: 512GB CFexpress Type B Storage Capacity Lifetime Warranty CFexpress Type B 4.0 Records 8K, 6K & 4K Video at High Frame Rates & Bitrates RAW Continuous Burst Ready Serialized for Added Protection CFexpress Type B 512GB Burst Read Speed: 3650MB/s Burst Write Speed: 3240MB/s (varies by capacity) Sustained Write Speed: 820MB/s Streamlined Workflow Capable of offloading data at speeds reaching up to 3650MB/s for BLACK CFexpress Type B 4.0, ensures the quickest, most efficient data transfer from card to computer for immediate access to your files and sooner post-production start time. This is ideal for photographers and videographers who need to quickly unload large amounts of data and get back to shooting. Tested for Compatibility Each POWER 4.0 CFexpress Type B card has undergone extensive testing to ensure full functionality and performance in today’s high-end hosts. It is important to note, that CFexpress Type B cards are not backwards compatible with either CompactFlash, CFast 2.0 or CFexpress Type A hosts. Durability: Shockproof, Waterproof In the Box (1) Delkin Devices POWER CFexpress Type B 4.0 – 512GB Memory Card (1) Protective Storage Case