1. Introduction
This manual provides essential information for the proper use and maintenance of your Lexar Professional 2000x 128GB SDXC UHS-II Card. Designed for high-speed performance, this memory card is ideal for capturing and transferring high-quality photos and 1080p Full-HD, 3D, and 4K video. Please read this manual thoroughly to ensure optimal performance and longevity of your product.
2. Product Features
- High-Speed Performance: Leverages UHS-II technology (U3) for a read transfer speed up to 300MB/s (2000x).
- Advanced Video Capture: Capable of capturing extended lengths of stunning 1080p Full-HD, 3D, and 4K video.
- Efficient Workflow: Includes an SD UHS-II reader for high-speed file transfer from card to computer, significantly accelerating post-production.
- Broad Compatibility: Backwards compatible with UHS-I devices.
- Durability: Engineered to withstand various environmental conditions, including water.

3. Setup and Installation
To begin using your Lexar Professional 2000x SDXC UHS-II Card, follow these steps:
- Insert into Device: Carefully insert the SD card into the designated SD card slot of your compatible camera, camcorder, or computer. Ensure the card is inserted in the correct orientation to avoid damage.
- Using the Included Reader: For high-speed data transfer to your computer, insert the SD card into the provided SD UHS-II reader, then connect the reader to a compatible USB 3.0 port on your computer.

4. Usage Guidelines
The Lexar Professional 2000x SDXC UHS-II Card is engineered for demanding applications. To maximize its potential:
- High-Resolution Capture: Utilize the card for capturing 4K, 3D, and Full-HD 1080p video, as well as high-resolution still images, especially in continuous shooting modes. The high write speed ensures smooth recording without dropped frames.
- Formatting: Always format the memory card using your camera's menu before its first use and after transferring all data to a computer. This ensures optimal performance and compatibility with your device.
5. Performance and Compatibility
This card delivers exceptional performance and broad compatibility:
- Read Speed: Up to 300 MB/s.
- Write Speed: Up to 260 MB/s.
- Speed Class: UHS Speed Class 3 (U3), Video Speed Class 90 (V90), Class 10.
- Compatibility: Fully compatible with all UHS-II enabled devices. Backwards compatible with UHS-I devices, operating at UHS-I speeds.
- Supported Devices: Ideal for DSLR cameras, HD camcorders, 3D cameras, PCs, and Mac systems.
6. Maintenance and Care
To ensure the longevity and reliability of your memory card:
- Handle with Care: Avoid touching the gold connector pins.
- Protect from Elements: The card is waterproof, but it is recommended to keep it dry and clean. Avoid extreme temperatures and direct sunlight.
- Safe Storage: When not in use, store the card in its protective case to prevent physical damage.

7. Troubleshooting
If you encounter issues with your memory card, consider the following:
- Formatting Issues: If the card is not recognized or shows errors, try formatting it in your device. Ensure all important data is backed up before formatting.
- Slow Performance: Verify that your device and card reader support UHS-II speeds to achieve the advertised performance. Using a UHS-I device or reader will result in slower speeds.
- Data Recovery: In case of accidental data loss, specialized data recovery software may be available. Refer to Lexar's official support for recommendations.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Lexar |
| Model Name | LSD128CBNA2000R |
| Flash Memory Type | SDXC |
| Memory Storage Capacity | 128 GB |
| Read Speed | 300 Megabytes Per Second |
| Write Speed | 260 MB |
| Hardware Interface | SDHC, SDXC |
| Secure Digital Association Speed Class | Class 10 |
| Special Feature | Water Proof |
| Compatible Devices | Camera |
| Hardware Platform | PC, Mac |
| Item Weight | 1.26 ounces |
9. Warranty and Support
Your Lexar Professional 2000x 128GB SDXC UHS-II Card comes with a limited lifetime product support for the card itself and a 1-year limited support on the included SD UHS-II reader.
For technical assistance, warranty claims, or further information, please visit the official Lexar support website or contact their customer service. Keep your proof of purchase for warranty validation.





