We’re excited to share the newest release of Proxmox Backup Server 4.0—packed with powerful new features and long-awaited enhancements designed to make your data backup better than ever!

The enterprise backup solution for backing up and restoring VMs, containers, and physical hosts seamlessly integrates into Proxmox Virtual Environment and allows you to safely back up your business-critical data.

Proxmox Backup Server 4.0

Some of the highlights

  • Based on the powerful Debian Trixie release, but using latest 6.14 Kernel as new stable default
  • S3-compatible object storage support
  • ZFS 2.3.3 with RAIDZ expansion: Add new devices to existing pools with minimal downtime
  • Seamless upgrade path from version 3.4
  • and much more...
Read the Forum Announcement →

Press release

Click here for the press release

Download

Get the new version: Download Backup Server 4.0

Documentation

Access the documentation via the contextual help buttons in your GUI or in different formats here: Documentation

The 3-2-1 Rule for Ransomware Protection

To protect against ransomware and other threats, follow the 3-2-1 rule: maintain 3 backups on 2 different storage types, with 1 copy off-site. This approach safeguards data from risks like disasters or cyberattacks.

Proxmox Backup Server supports this strategy with features like fine-grained access control, data integrity checks, and remote sync or tape backups for off-site storage, ensuring quick recovery and robust data protection.

Read more →