Top 10 Best Backup Nas Software of 2026

Comet Backup targets NAS backup use cases with share-scoped backups for SMB and NFS exports, plus restore workflows that mount or browse backup contents by file path. It also includes backup catalog indexing so administrators can search recovery points without opening raw backup volumes. Configuration centers on defining source shares, selecting backup destinations, and applying retention so backup sets roll forward predictably across backup windows. For governance, Comet Backup provides role-based access for administration tasks and keeps an operational audit trail around backup job and restore actions.

A tradeoff appears in NAS-to-NAS replication depth, because Comet Backup is strongest for source-to-backup-target backup and less focused on filer-to-filer replication. Teams should plan for snapshot orchestration gaps when the NAS vendor requires storage-side snapshot coordination for fastest restores. Comet Backup works best when a single backup policy definition needs to protect multiple SMB and NFS share mount points with consistent retention and restore testing.

For MSPs backing multiple NAS filers, MSP360 Managed Backup focuses on standardized protection plans and operational visibility for managed environments. Common protection workflows include scheduled NAS share backups and structured restore actions with a catalog-driven browsing experience. Centralized administration helps teams enforce consistent retention and reduce variance across customer estates.

A tradeoff is that deep NAS-specific controls, such as storage-native snapshot orchestration and highly granular per-volume tuning, are more limited than options offered by NAS vendor tooling or lower-level backup stacks. MSP360 Managed Backup fits best when an MSP needs repeatable NAS file-backup operations across many sites and wants admin oversight without building custom orchestration around each filer.

BorgBackup manages backups as repositories that store deduplicated chunks and manifests for each backup run. Encryption is built into the backup stream and archive contents are not written in plaintext by default. A local or remote borg serve process exposes repository access over SSH, which simplifies automation and limits open network surfaces. The command-line driven workflow maps well to cron, systemd timers, and orchestration tools that can manage SSH keys and job schedules.

The tradeoff is that BorgBackup does not act as a NAS-native backup appliance for SMB or NFS shares, so share traversal and ACL handling depend on the backup host setup. It fits situations where the NAS exports can be mounted with consistent permissions and where backup operators can manage key-based authentication and retention policies on the borg client. It also fits environments that prioritize deduplication and verification over a graphical recovery workflow.

UrBackup targets NAS environments with file-level backup workflows and a centralized server for managing clients. Its distinct fit is broad NAS reach through client-driven backups of shares, plus a built-in mechanism for tracking and verifying backup contents through its catalog.

Administrators can tune schedules and storage retention per client, which helps align backup windows and recovery point objective targets. Recovery is driven by browsing and restore workflows from the UrBackup server, rather than relying on a pure snapshot-only approach.

GoodSync performs scheduled NAS file backups with cross-share synchronization and recovery-oriented copy management. It supports SMB and NFS source access, plus destination workflows that fit NAS-to-NAS scenarios and mixed environments with Windows file shares.

Its change-based job execution focuses on minimizing transfer during recurring runs and supports verification steps during and after backup copies. Administration centers on job definitions, credentialed access to endpoints, and centralized control of backup schedules and retention behaviors.

Bacula is a backup NAS software built around a long-running cataloged job system, which fits organizations that want explicit control over backup scheduling and retention. It supports file-level backup and restore through its director-driven workflows, and it can also integrate with storage backends and networked backup targets for NAS workloads.

Bacula’s distinguishing capability is the separation of Director, Storage, and File components, which enables scaled throughput and centralized orchestration across multiple clients. Recovery also relies on restore jobs that reference the backup catalog, which makes audit-friendly recovery planning possible without inventing new data formats for each NAS share.

Restic creates encrypted, versioned snapshots in a repository, and restore uses the snapshot graph rather than vendor-specific catalogs.

It supports backing up mounted NAS paths over SMB or NFS, so the integration depth depends on how the NAS is exported and mounted to the backup host.

Automation is achieved through the restic CLI and rest-server, which adds HTTP endpoints for monitoring and controlled repository operations.

Governance controls like RBAC, audit logging, and retention policy enforcement are mainly implemented by the surrounding orchestration layer rather than built into Restic.

Duplicati is a file-level backup tool that runs as a service and drives NAS backups through filesystem access rather than dedicated NAS firmware integrations. It performs encrypted, deduplicated backups into common storage backends while maintaining a browsable backup catalog for restores.

Its automation surface centers on a web-admin configuration and scheduled jobs that can target mounted shares and traverse directory trees. For NAS-to-storage backup workflows, Duplicati focuses on repeatable job scheduling and restore operations instead of NAS-native snapshot orchestration.

Kopia creates backups into a content-addressed repository that deduplicates identical content across time and reduces repeated transfer for unchanged data.

The system maintains a backup catalog that tracks versions and metadata, which supports point-in-time browsing and restores without treating each run as a standalone snapshot set.

Encryption is applied at the repository level, so protected backup data can be stored on untrusted targets such as object storage without separate encryption wrappers.

A REST API enables automation of repository operations and restore flows, which makes Kopia easier to integrate into scheduled backup orchestration and runbook tooling.

Rclone is a command-line data mover that can serve as an NAS backup tool by copying and syncing files between local paths and many remote storage targets. It uses a backend-driven abstraction for storage access, which enables agentless NAS backup over mounted shares and direct filesystem paths.

Rclone provides checksum-based verification, extensive include and exclude filters, and scheduling support through external automation like cron. It can also apply per-transfer options such as bandwidth limits and retries, which helps control backup window behavior.