TerraMaster Worm Storage F2-Safe Write Once Read Many Data Can&rsquo;t Be Modified or Deleted Hard Drive RAID 1 Group (with 4TB x 2) WORM is the acronym of Write Once Read Many, with which the data will no longer be missing or modified due to accidents, ensuring long-term storage of enterprise's important business data and the safer storage of data document. F2- Safe hard drive WORM storage use hard drives as storage media with big capacity and fast speed. It comes with TerraMaster advanced storage technology, once written, the data can only be read and cannot be modified or deleted. TerraMaster F2-safe Hard Disk WORM storage can be used in applications such as Defensible eDiscovery, Video Surveillance, Data Encryption, Enterprise Backup, Permanent Records Retention, Regulation Compliance and Financial Records Retention. TerraMaster provides users with Windows/Mac OS client software. The menu adopts simple and clear graphical UI and smart guide is also provided, ensuring easy installation and use even without professional IT knowledge. Data encryption function is provided so as to protect data even when the device is stolen or missing. User authority management is offered so that only authorized users can login the device. The device is equipped with two 3.5" hard disks. With hardware technology, RAID 1 mirror group is formed for hard disk, and data will be automatically mirrored to two hard disks, which ensures the safety of data even when one of them is broken.