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 |