Industrial-grade USB drives remain functional after encryption, and encryption serves as a crucial method to enhance both their security and usability. Below are the specific details:

　　1. Encryption does not affect functionality

　　After completing identity authentication (such as entering a password or fingerprint recognition), the encrypted industrial-grade USB drive can read and write data like a regular USB drive. Its core functions (such as file storage and transfer) are not restricted by encryption; instead, the data encryption enhances its security.

　　II. Encryption Ensures Data Security

　　Encryption technology transforms data into unreadable ciphertext through hardware-level encryption chips, AES algorithms, and other means. Even if a USB drive is lost or stolen, unauthorized users cannot access the data. This level of security is crucial for scenarios such as industrial control and enterprise data storage.

　　3. Encryption methods do not affect compatibility

　　Industrial-grade USB drives are typically compatible with mainstream operating systems (such as Windows, Linux, and macOS) and remain cross-platform usable even after encryption. Users only need to complete the encryption setup during the first use, with no additional steps required for subsequent operations.

　　4. Enhanced Usability of Management Functions

　　Some industrial-grade USB flash drives support features such as multi-user management and permission allocation. For example, administrators can assign read/write permissions to different users or set data wipe policies (e.g., automatically erasing data after multiple incorrect password attempts). These features further enhance the practicality and security of USB flash drives.

　　5. Practical Application Scenarios

　　Industrial Control: Encrypted USB drives are used to store sensitive data such as device parameters and log files, preventing data leakage.

　　Corporate Data Storage: Encrypted USB drives are used for transmitting confidential files to ensure data security during the transfer process.

　　Government and Military Sector: Encrypted USB drives are used to store classified information, meeting high security requirements.

　　Summary

　　Industrial-grade USB drives, when encrypted, not only remain functional but also significantly enhance data security and usability through encryption technology. Users can select appropriate encryption methods and permission management strategies based on actual needs, ensuring data security during storage and transmission.