| Product Type | microSDXC Flash Memory Card |
| Series | Lexar Professional 1066x |
| Storage Capacity | 128 GB |
| Speed Class | Class 10, UHS-I, U3, V30 |
| Read Speed | Up to 160 MB/s |
| Write Speed | Up to 120 MB/s |
| Included Adapter | Yes – Full-size SD adapter |
| Application Performance Class | A2 |
| Warranty | Ten-year limited warranty |
Lexar Professional 1066x MicroSDXC 128GB UHS-I Card with Adapter

Key Benefits
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- High-speed read/write performance significantly reduces workflow bottlenecks for professional users.
- Versatile MicroSDXC format with included adapter ensures compatibility across multiple devices.
- Comes with a ten-year limited warranty, reinforcing long-term reliability and durability.
Product Overview
The Lexar Professional 1066x MicroSDXC 128GB card is engineered for serious content creators and professionals seeking performance-oriented storage in a microSD format. Delivering up to 160MB/s read and 120MB/s write speeds, this UHS-I Class 10 card supports rapid file transfers and high-quality video recording, making it ideal for 4K UHD video capture, high-speed photography, and drones or action cameras. Whether you’re working in the field or in studio environments, the fast read/write throughput ensures minimal buffering and downtime.
This memory card conforms to the MicroSDXC format and includes an SD adapter for versatile compatibility with a range of devices. Manufactured in Taiwan and TAA-compliant, it’s suitable for both consumer and government applications. The ten-year limited warranty underlines Lexar’s confidence in the product’s durability and longevity. As part of the Professional 1066x family, it delivers reliable performance grounded in a robust engineering pedigree, enabling users to increase efficiency and reduce equipment lag during media-intensive operations.
Specifications
Product Overview
Wireless Features
| Wireless Connectivity |
Compliance & Origin
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Certifications | FCC, CE, RoHS |
| Environmental Compliance | RoHS compliant |
Advanced Security Features
| Write Protection | Via SD adapter lock switch |
| Data Recovery Support | |
| Hardware Encryption |
Interfaces
| Interface | UHS-I |
| Bus Interface Speed | UHS-I (1066x) |
| Backward Compatibility | UHS-I interface is backward compatible with non-UHS host devices |
| SD Adapter Interface | Standard SD for devices with SD slots |
Physical & Environmental
| Form Factor | microSDXC |
| Dimensions (W x H x D) | 11mm x 15mm x 1mm |
| Weight | Approx. 0.25g |
| Operating Temperature | -25°C to 85°C |
| Storage Temperature | -40°C to 85°C |
| Durability | Shockproof, vibration resistant, and X-ray proof |
| Water Resistance | Yes – water-resistant |
| Magnet & X-ray Proof | Yes |
Cloud Management & Licensing
| Cloud Managed | |
| Software Included |