CFexpress Type B card Exascend Essential Pro 256 GB — 3700 MB/s read, 3150 MB/s write, 3D TLC NAND, silver

The Exascend Essential Pro CFexpress Type B card 256 GB is a high-performance storage card designed for professional cameras and recorders. Built with 3D TLC NAND and optimized for fast data transfer, this CFexpress Type B card supports very high sequential read and write speeds, enabling efficient capture of high-resolution video and rapid burst photography. The card features a durable silver housing that offers protection against dust, impact, magnets, weather and X-rays, making it suitable for on-location shoots and demanding workflows.

Advantages

This CFexpress Type B card delivers very high sequential performance with read speeds up to 3700 MB/s and write speeds up to 3150 MB/s, which supports large file transfers and minimizes buffer times. Low power consumption during sustained write operations helps preserve camera battery life. The card’s rugged construction increases reliability in the field, while internal technologies for stable write performance and thermal control help prevent recording interruptions and maintain consistent throughput during extended recording sessions.

Suitable for

• Professional video recording in high resolutions and high frame rates
• Burst photography with high-speed mirrorless and DSLR cameras
• On-location shoots where environmental resistance is required
• Workflows requiring fast offload and editing of large media files

Key specifications

• Capacity: 256 GB
• Sequential read speed: up to 3700 MB/s
• Sequential write speed: up to 3150 MB/s
• Flash type: 3D TLC NAND
• Product colour: Silver
• Durability: resistant to dust, impact, magnets, weather and X-rays

How to use

Insert the CFexpress Type B card into a compatible camera, recorder or card reader following the device manufacturer’s instructions. Format the card in the host device before first use to ensure optimal compatibility and file system setup. During intensive recording sessions monitor device temperature and remaining capacity; if the host device offers firmware updates, apply them to maintain compatibility and performance. When transferring files, use a compatible CFexpress Type B card reader to achieve the highest possible transfer speeds.

Usage recommendations

For reliable results, format the card in the camera before use, avoid exposing the card to extreme temperatures for prolonged periods, and keep a backup workflow to protect important footage. Use a compatible card reader and a high-performance host system to take full advantage of the card’s read and write speeds.