| Type | Flash Memory Card |
| Model | Professional 1066x |
| Form Factor | SDXC Memory Card |
| Flash Memory Type | SD Memory Card |
| Storage Capacity | 256 GB |
| Speed Class | Class 10, UHS-I, U3 |
| Read Speed | Up to 160 MB/s |
| Write Speed | Up to 120 MB/s |
| Application | 4K and Full HD video recording, high-speed image transfers |
| Warranty | 10-year limited warranty |
| Product Type | Secure Digital Extended Capacity (SDXC) |
LEXAR Professional 1066x SDXC 256GB Class 10 UHS-I U3 Memory Card

Key Benefits
Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Optimized for professional content creators needing fast, reliable storage for high-resolution formats
- Meets TAA compliance requirements, supporting procurement in regulated sectors
- Offers peace of mind with a 10-year limited warranty, illustrating long-term performance confidence
Product Overview
The Lexar Professional 1066x SDXC Memory Card delivers 256GB of high-performance storage for demanding photography and videography applications. With read speeds up to 160MB/s and write speeds up to 120MB/s, it's designed for efficiency during media capture and transfer. Featuring a Class 10, UHS-I, U3 rating, it supports high-quality 4K and Full HD recordings. Additional highlights include a 10-year limited warranty, TAA compliance, and professional-grade reliability.
Specifications
Product Overview
Wireless Features
Compliance & Origin
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| FCC Certified | Yes |
| CE Certified | Yes |
| WEEE Compliance | Yes |
Advanced Security Features
Interfaces
| Interface Type | UHS-I |
| Bus Interface Speed | UHS Speed Class U3 |
| Video Speed Class | V30 |
| File System | exFAT (default for SDXC) |
| Backward Compatibility | Compatible with non-UHS hosts |
Physical & Environmental
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -25°C to 85°C |
| Shock Resistant | Yes |
| Vibration Resistant | Yes |
| X-Ray Proof | Yes |
| Water Resistant | Yes (IPX7) |
| Dimensions (W x H x D) | 24 x 32 x 2.1 mm |
| Weight | Approx. 2 g |