| Specification | Technical Details |
| Brand | HOCO |
| Model Number | UD4 |
| USB Protocol Logic | USB 2.0 |
| Capacity Matrix | 16GB / 32GB / 64GB / 128GB |
| Write Speed Shield | 6 - 10 MB/s |
| Read Speed Shield | 10 - 30 MB/s |
| Material Matrix | Zinc Alloy |
| Chassis Dimensions | 35.8 * 14.2 * 5 mm |
| Chassis Weight | 7g |
| Color Finish | Silver |
USB 2.0 High-Fidelity Protocol Matrix: Engineered by HOCO to support reliable data transmission with read speeds up to 30MB/s and write speeds up to 10MB/s.
Zinc Alloy Structural Shield: Features a premium metallic construction designed for superior mechanical durability and high-cycle usage protection.
Multi-Capacity Storage Logic: Constructed to support four distinct capacity tiers, including 16GB, 32GB, 64GB, and 128GB, for versatile digital file management.
Industrial Strength Silver Finish Matrix: Built with a sleek silver zinc alloy chassis providing high-fidelity tactile feedback and resistance to corrosion.
Ultra-Compact High-Mobility Chassis: Designed with a precision 35.8 * 14.2 * 5mm form factor and a 7g body for professional portable utility.