
Client-side backup data compression for advanced backup performance and efficient storage usage.Client-side data encryption and transfer encryption with military-grade AES-256 and RSA-2048 encryption technologies to protect data from illicit access.Customized retention policy: Up to seven rules of customized retention duration and version interval according to different needs.Smart Recycle: Keeps the earliest version created each hour, each day, and each week.Rotates versions from the earliest versions when total versions exceed the defined number.Retains up to 65,535 versions of backup data with a customized version rotation policy to delete previous and unnecessary versions automatically:.Cross-version, file-level deduplication, and block-level incremental backup to minimize the storage consumption.S3 Storage (and other S3-compatible backup destinations).Supports various backup destinations, including local shared folders, external devices, remote Synology NAS, rsync servers, and public cloud services:.System configurations: Users and Groups, Workgroup, Domain, LDAP, etc.Packages: Hyper Backup, Synology Drive, Synology Chat, AD Server, etc.Multiple backup sources, including folders, files, packages in DSM, system configurations with metadata including ACL permission, owner, etc.With Linux and ZFS, QuTS hero supports advanced data reduction technologies for further driving down costs and increasing reliablility of SSD (all-flash) storage. QuTS hero is the operating system for high-end and enterprise QNAP NAS models. WIth Linux and ext4, QTS enables reliable storage for everyone with versatile value-added features and apps, such as snapshots, Plex media servers, and easy access of your personal cloud. QTS is the operating system for entry- and mid-level QNAP NAS.
