Introduction
The Lexar Professional CFexpress Type B Card SILVER Series is designed for photographers and videographers who require high-speed performance for capturing and saving high-quality images and seamless 8K video. This memory card leverages advanced technology to provide exceptional read and write speeds, ensuring efficient data management and workflow acceleration.

Image: Front view of the Lexar 256GB Professional CFexpress Type B Silver Series Memory Card.
Key Features
- High-Speed Performance: Up to 1750MB/s read and 1300MB/s write speeds for rapid data transfer.
- 8K Video Capture: Designed to support the demands of high-resolution 8K video recording.
- High-Quality Image Capture: Enables shooting more high-quality images without performance bottlenecks.
- XQD Camera Compatibility: Backwards-compatible with select XQD cameras for versatile use.
- Durability: Built with professional-grade components for reliable performance in demanding environments.
- Warranty: Limited 10-year warranty.
Setup
Inserting the CFexpress Card
- Locate the CFexpress Type B card slot on your compatible camera or device. Refer to your camera's user manual for exact slot location.
- Orient the Lexar Professional CFexpress Type B card with the label facing the correct direction, typically indicated by an arrow or diagram near the slot.
- Gently insert the card into the slot until it clicks into place. Do not force the card, as this may cause damage.
- Close the card slot cover securely.

Image: A hand inserting the Lexar CFexpress Type B card into a camera's memory card slot.
Operating Instructions
Recording High-Resolution Content
The Lexar Professional CFexpress Type B card is optimized for capturing demanding content such as 8K video and high-resolution still images. Ensure your camera settings are configured for the desired resolution and frame rate. The card's high write speeds (up to 1300MB/s) minimize buffering and allow for continuous shooting.

Image: Lexar CFexpress card shown with an 8K video icon and a camera, illustrating its capability for high-resolution recording.
Data Transfer
To transfer files to your computer, use a compatible CFexpress Type B card reader. The card's high read speeds (up to 1750MB/s) ensure a fast and efficient workflow, reducing the time spent offloading large files.

Image: Lexar CFexpress card next to a Lexar card reader, connected to a laptop, demonstrating high-speed file transfer.
Maintenance
- Always handle the memory card by its edges to avoid touching the gold contacts.
- Store the card in its protective case when not in use to prevent dust, dirt, and physical damage.
- Avoid exposing the card to extreme temperatures, moisture, or direct sunlight.
- Regularly back up your data to another storage device to prevent data loss.
- Format the card periodically within your camera to maintain optimal performance and prevent data corruption.
Troubleshooting
Card Not Recognized
- Ensure the card is fully inserted into the camera or card reader.
- Verify that your camera or device is compatible with CFexpress Type B cards. Some older devices may require firmware updates.
- Try inserting the card into a different compatible device or card reader to rule out a device-specific issue.
- Check the card for any visible damage to the contacts or casing.
Slow Performance
- Ensure your camera or card reader supports the high speeds of CFexpress Type B cards. Using older or slower equipment can limit performance.
- Check if your camera's firmware is up to date.
- Format the card in your camera. This can resolve performance issues caused by fragmented data.
Data Loss or Corruption
In case of accidental deletion or formatting, Lexar offers a data recovery tool. Visit the official Lexar support website for more information and assistance: Lexar Support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Lexar |
| Model Name | CFExpress Type B SILVER |
| Item Model Number | LCXEXSL256G-RNENG |
| Flash Memory Type | CFexpress |
| Memory Storage Capacity | 256 GB |
| Read Speed | Up to 1750 MB/s |
| Write Speed | Up to 1300 MB/s |
| Special Feature | 8K Video |
| Hardware Interface | CompactFlash |
| Compatible Devices | Camera (Backwards-compatible with select XQD cameras) |
| Product Dimensions | 1.51"L x 1.16"W |
| Item Weight | 0.275 ounces (7.8 Grams) |
| Warranty Type | Limited 10-year warranty |
Compatibility
The Lexar Professional CFexpress Type B Silver Series Memory Card is designed for use with cameras and devices that support the CFexpress Type B standard. It is also backwards-compatible with select XQD cameras, offering flexibility for users with existing equipment. For a comprehensive list of compatible devices and any necessary firmware updates, please visit the official Lexar support website.

Image: A compatibility chart highlighting various camera brands and models that support Lexar CFexpress cards, including Nikon, Panasonic, Canon, Fujifilm, DJI, and BlackMagic.
Official Product Videos
Lexar Professional CFexpress Type B Card SILVER Series Overview
Video: This video provides a general overview of the Lexar Professional CFexpress Type B Card SILVER Series, highlighting its features and benefits for professional photographers and videographers.
Lexar Professional CFexpress Type B Card SILVER Series Product Showcase
Video: A brief product showcase of the Lexar Professional CFexpress Type B Card SILVER Series, demonstrating its physical appearance and key specifications.
Lexar CFexpress Type B Silver 4.0 Introduction
Video: An introductory video for the Lexar CFexpress Type B Silver 4.0 card, highlighting its advanced features and performance capabilities for high-end video and photography.
Warranty and Support
The Lexar Professional CFexpress Type B Silver Series Memory Card comes with a Limited 10-year warranty. For technical support, product registration, and additional resources, please visit the official Lexar support website:
Lexar also offers data recovery solutions. In the event of accidental data loss, refer to the support website for information on available recovery tools and services.





