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XSIBackup
San Sebastián de los Reyes, Madrid, Spain
What it is
XSIBackup backs up and replicates virtual machines and host configuration on free or licensed VMware ESXi servers. It supports ESXi Free versions 5.5 through 8.0 and is deployed on-premises as Linux self-hosted software. Backup options include local and IP destinations, differential backups, replication, and cloud backup to SSH servers. Its block-level deduplication engine can write to filesystems mounted over NFS or connected through SSH. Recovery includes individual-file restores and unlimited restore points across the Free, Pro, and DC editions. The product comparison lists Synology NAS compatibility when using the root user and XSIDirector compatibility for automated deployments. Remote backup servers can be authenticated with a private key, and backups can be certified with SHA-1. The Free edition allows local backups up to 100GB. Pro costs $89 once, and DC costs $169 once; both allow unlimited VM size when licensed. A purchased license includes one year of support for installing and configuring backup jobs. The maker describes the software as intended for professional system administrators who prefer command-line tools. 33HOPS says it is out of business and has not accepted new orders since July 15, 2024.
For and against
For
- Supports local, IP, differential, and SSH backups.
- Includes individual-file recovery.
- Supports unlimited restore points across editions.
- Remote servers can use private-key authentication.
Against
- Free edition limits local backups to 100GB.
- Hot backup is unsupported for multi-disk datastores.
- The maker no longer accepts new orders.
The verdict
XSIBackup covers several ESXi backup and recovery methods, with edition-specific capacity and features. Its discontinued ordering status is an important constraint for anyone considering a license.
Who it suits
It is aimed at professional system administrators comfortable with command-line tools who need ESXi backup or replication. The maker is out of business and no longer accepts new orders.
Plans and prices
XSIBackup-Free
Local backups up to 100GB
Read 7 Oct 2026 · 33hops.com
XSIBackup-Pro
One license key · local and over IP backups · unlimited VM size when licensed
Read 7 Oct 2026 · 33hops.com
XSIBackup-DC
Two license keys · full CBT support · instant differential feature · unlimited VM size when licensed
Read 7 Oct 2026 · 33hops.com
On the record
- Availability
- 33HOPS states that it is out of business and has not accepted new orders since July 15, 2024.33hops.com · read 7 Oct 2026
- Backup methods
- It supports local and IP backups, differential backups, replication, and cloud backup to SSH servers.33hops.com · read 7 Oct 2026
- Deduplication
- The built-in block-level deduplication engine can write to filesystems mounted over NFS or connected over SSH.33hops.com · read 7 Oct 2026
- Integrations
- The comparison lists native binary compatibility with Synology NAS when using the root user and compatibility with XSIDirector for automated deployments.33hops.com · read 7 Oct 2026
- Integrity checks
- The product page says backups can be certified using the SHA-1 algorithm.33hops.com · read 7 Oct 2026
- Intended users
- The maker describes XSIBackup as designed for professional system administrators who prefer command-line tools.33hops.com · read 7 Oct 2026
- Notable limit
- XSIBackup does not support hot backup of datastores extended over multiple physical disks.33hops.com · read 7 Oct 2026
- Purpose
- XSIBackup backs up and replicates virtual machines and host configuration on free or licensed VMware ESXi servers.33hops.com · read 7 Oct 2026
- Recovery
- The product comparison lists granular recovery of individual files and unlimited restore points across Free, Pro, and DC editions.33hops.com · read 7 Oct 2026
- Security
- The maker says remote backup servers can be authenticated through a private key and describes this as a way to keep backups in an isolated zone.33hops.com · read 7 Oct 2026
- Support
- A purchased license includes one year of support covering help with installing and configuring backup jobs.33hops.com · read 7 Oct 2026
- Supported ESXi versions
- The product page states compatibility with ESXi Free from versions 5.5 to 8.0.33hops.com · read 7 Oct 2026
