Apacer industrial MSD-WORM (Write Once Read Many) Card is a product that provides data storage protection by allowing data to be written once, preventing it from being erased, modified, or overwritten. This write protection function ensures that the data cannot be tampered with once it is written to the device.

Apacer MSD-WORM Card fully complies with microSD card version 6.1. The command list is compatible with [Part 1 Physical Layer Specification Ver6.1 Final] definitions, while the Card Capacity of Non-secure Area, Secure Area supports [Part 3 Security Specification Ver3.0 Final] Specifications. With built-in ECC, wear-leveling and bad block management, this industrial miscroSD card serves as an ideal portable storage solution.