1. Introduction and Overview
The Lexar Professional CFexpress Type B / SD USB 3.2 Gen 2 Reader is designed for efficient data offloading from CFexpress Type B and SD cards. It features dual card slots, allowing simultaneous transfers and leveraging USB 3.2 Gen 2 speeds for a dramatically accelerated workflow. This reader is ideal for professionals requiring fast and reliable media management.
Key Features:
- Quickly transfer high-resolution images and 8K RAW videos with transfer speeds up to 10Gbps.
- Two slots—one for CFexpress Type B cards and one for SD cards—for simultaneous offloads.
- Supports USB 3.2 Gen 2 speeds to dramatically accelerate your workflow.
- Includes a single 2-in-1 USB Type-C to Type-C cable and a USB Type-C to Type-A adapter for broad compatibility.
- Compact and portable design for use on location and in the studio.
2. Setup
Connecting the Reader to Your Computer:
- Locate the included 2-in-1 USB Type-C to Type-C cable.
- Connect one end of the USB Type-C cable to the USB-C port on the Lexar Professional Reader.
- Connect the other end of the USB Type-C cable to an available USB Type-C port on your computer.
- If your computer only has USB Type-A ports, attach the included USB Type-C to Type-A adapter to the USB Type-C cable before connecting it to your computer.

Figure 2.1: Lexar Professional Reader with included cables for versatile connectivity.
Inserting Memory Cards:
- Identify the CFexpress Type B slot and the SD card slot on the reader. The slots are clearly labeled.
- For CFexpress Type B cards, gently insert the card into the CFexpress Type B slot until it clicks into place. Ensure the card is oriented correctly to avoid damage.
- For SD cards, gently insert the card into the SD slot until it clicks into place. Ensure the card is oriented correctly.
- The reader supports simultaneous insertion and offloading from both card types.

Figure 2.2: The reader features dedicated slots for CFexpress Type B and SD cards.
3. Operating Instructions
Data Transfer:
- Once the reader is connected and cards are inserted, your computer should recognize them as removable drives.
- Navigate to the card drives using your computer's file explorer (e.g., File Explorer on Windows, Finder on macOS).
- Drag and drop files or folders from the memory cards to your desired location on the computer.
- The USB 3.2 Gen 2 interface enables transfer speeds up to 10Gbps, significantly reducing offload times for large files like 8K RAW videos and high-resolution images.
- The reader supports simultaneous offloading from both CFexpress Type B and SD cards, further optimizing your workflow.

Figure 3.1: High-speed data transfer from the reader to a laptop.

Figure 3.2: Offload high-resolution media with ease.

Figure 3.3: Optimize your workflow with exceptional transfer speeds.
4. Media Integration
Product Images:

The Lexar Professional CFexpress Type B / SD USB 3.2 Gen 2 Reader in a sleek black finish, showcasing its compact design.

The reader with both CFexpress Type B and SD cards inserted, ready for simultaneous data transfer.

The reader connected to a laptop, highlighting its capability for simultaneous offloads from both card types.

A visual representation of the speed advantage, comparing 5Gbps to the reader's 10Gbps capability.

The compact and portable design of the reader, suitable for both on-location and studio use.
Official Product Videos:
Lexar Professional CFexpress Type B / SD USB 3.2 Gen 2 Reader
This video provides an official overview of the Lexar Professional CFexpress Type B / SD USB 3.2 Gen 2 Reader, highlighting its features and benefits for professional users.
Product Overview Video
A concise product overview video showcasing the Lexar Professional CFexpress Type B / SD USB 3.2 Gen 2 Reader's design and functionality.
5. Specifications
| Feature | Detail |
|---|---|
| Brand | Lexar |
| Model Number | LRW520U-RNBNG |
| Series | RW520 |
| Media Type Supported | CFexpress Type B, SD Cards |
| Connectivity Technology | USB 3.2 Gen 2 (USB Type-C, USB Type-A via adapter) |
| Transfer Speeds | Up to 10Gbps |
| Operating System Compatibility | Mac OS 10.8+, Windows 11/10/8/7/Vista/XP |
| Item Weight | 4.5 ounces |
| Product Dimensions (LxWxH) | 6.29 x 4.52 x 0.98 inches |
| Color | Black |
6. Troubleshooting
Common Issues and Solutions:
- Reader not recognized by computer: Ensure the USB cable is securely connected to both the reader and the computer. Try a different USB port or cable. Verify your operating system is up to date.
- Memory card not detected: Ensure the card is fully and correctly inserted into its respective slot. Remove and reinsert the card. Check if the card is damaged or corrupted by testing it in another device if possible.
- Slow transfer speeds: Ensure you are using a USB 3.2 Gen 2 compatible port on your computer. Older USB 2.0 or 3.0 ports will result in slower speeds. The performance of the memory card itself can also affect transfer rates.
- Files not transferring: Check for sufficient storage space on your computer. Ensure the memory card is not write-protected. Restart your computer and try again.
7. Maintenance
Care and Storage:
- Keep the reader clean by wiping it with a soft, dry cloth. Avoid using liquid cleaners.
- Store the reader in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid physical impact or dropping the device.
- Always safely eject memory cards from your computer before removing them from the reader to prevent data corruption.
8. Warranty and Support
Warranty Information:
The Lexar Professional CFexpress Type B / SD USB 3.2 Gen 2 Reader comes with a Two-year limited warranty. Please retain your proof of purchase for warranty claims.
Customer Support:
For technical assistance, warranty inquiries, or further information, please visit the official Lexar website or contact Lexar customer support through their provided channels.





