A1 V30 U3 4K Mini TF Card High-Speed SD Memory Card for DVR Security Camera
The A1 V30 U3 4K Mini TF Card is designed for stable continuous recording in security cameras, DVR systems, dash cams, drones, and smart home devices. It combines Application Performance (A1) for device responsiveness with Video Speed Class V30 / UHS-I U3 for reliable 4K video recording.
This card is optimized for 24/7 loop recording environments, ensuring consistent write performance and reducing frame loss during long-duration video capture.
Key Features of Mini TF Card
- 4K UHD Recording Support: Stable performance for 1080P / 2K / 4K video
- V30 Certified Video Speed: Minimum sustained write speed 30MB/s
- UHS-I U3 Standard: Ensures continuous high-speed data transfer
- A1 Application Class: Faster app loading and device responsiveness
- Continuous Loop Recording: Ideal for DVR / CCTV / dash cam systems
- Wide Compatibility: Security cameras, DVR, NVR (SD slot), Android devices, action cams
- High Endurance Design: Built for frequent overwrite cycles in surveillance use
Technical Specifications of Mini TF Card
| Parameter |
Specification |
| Product Type |
TF Card |
| Bus Interface |
UHS-I |
| Speed Class |
Class 10 / U3 |
| Video Speed Class |
V30 (≥ 30MB/s sustained write) |
| Application Class |
A1 |
| Capacity Options |
8GB / 16GB / 32GB / 64GB / 128GB / 256GB |
| Read Speed |
Up to 80-100 MB/s (device dependent) |
| Write Speed |
Up to 30-60 MB/s (model dependent) |
| File System |
exFAT or FAT32 |
| Operating Temperature |
0°C to 70°C |
| Endurance Type |
Continuous overwrite optimized |
| Compatibility |
DVR / CCTV / Dash Cam / Smart Camera / Drone |
Application Scenarios of Mini TF Card
- Home & commercial security cameras (CCTV/IP Camera with SD slot)
- DVR / NVR local storage backup recording
- Dash cams (front/rear car recorder systems)
- Smart home AI cameras (motion detection recording)
- Entry-level drones & action cameras