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Backup · head to head

Bacula Enterprise vs Datto SIRIS

Bacula Enterprise logo

Bacula Enterprise

Backup

Open-source enterprise backup solution

From
$500/year
Rated
-
Full reviewWebsite
Datto SIRIS logo

Datto SIRIS

Backup

All-in-one business continuity and disaster recovery

From
$1095/one-time + recurring
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bacula Enterprise pricing is not published; the vendor asks for a request rather than listing rates; Datto SIRIS requires on-premises appliance, not purely cloud-native
  • They diverge on capability: Bacula Enterprise covers Modular architecture, Datto SIRIS covers Instant virtualization.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bacula Enterprise and Datto SIRIS actually diverge.

Attributes where Bacula Enterprise and Datto SIRIS differ
AttributeBacula EnterpriseDatto SIRIS
Starting price$500/year$1095/one-time + recurring
Pricing modelsubscriptionUnknown
PlatformsWindows, Linux, WebLinux, Virtual Environments
Founded20092011

Identical on both: free tier (No), user rating (Not yet rated), category (Backup).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Bacula Enterprise

  • Modular architecture
  • Plugin framework
  • Deduplication
  • Cloud storage
  • Encryption
  • Automated recovery testing
  • AWS
  • Azure

Only in Datto SIRIS

  • Instant virtualization
  • Screenshot verification
  • Ransomware detection
  • Inverse chain technology
  • Cloud-first architecture
  • Automated DR testing
  • Windows Server
  • Microsoft 365

Both cover

  • VMware
  • Hyper-V
  • Windows support
  • Linux support
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Bacula Enterprise

  • Enterprise backup across virtual machines, databases and containersnot Datto SIRIS
  • Multi-cloud and hybrid backup from one systemnot Datto SIRIS
  • Backup where licensing by data volume would be prohibitive, since Bacula does not charge by capacitynot Datto SIRIS
  • Long-retention archival for regulated environmentsnot Datto SIRIS

Datto SIRIS

  • Data protectionnot Bacula Enterprise
  • Disaster recoverynot Bacula Enterprise
  • Business continuitynot Bacula Enterprise
  • Ransomware protectionnot Bacula Enterprise
  • Compliancenot Bacula Enterprise

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Bacula Enterprise

  • Pricing is not published; the vendor asks for a request rather than listing rates
  • The differences between Enterprise and the open source Community edition are not set out on the product pages, so what the licence buys is unclear until you talk to sales
  • Aimed at data centre and enterprise environments rather than small deployments

Datto SIRIS

  • Requires on-premises appliance, not purely cloud-native
  • Initial setup and hardware costs can be substantial for smaller MSPs

Pricing, plan by plan

Bacula Enterprise

$500/year
  • Bacula Enterprise$500/year
    • Unlimited data
    • Plugin support
    • Enterprise support

Datto SIRIS

$1095/one-time + recurring

No published plan breakdown. See the Datto SIRIS review.

Which should you pick?

Choose Bacula Enterprise if

  • You need modular architecture.
  • You work on Windows, Linux, Web.
  • You also want plugin framework.
Bacula Enterprise review

Choose Datto SIRIS if

  • You need instant virtualization.
  • You work on Linux, Virtual Environments.
  • You also want screenshot verification.
Datto SIRIS review

Questions people ask

Is Bacula Enterprise or Datto SIRIS better?
Neither clearly leads. Bacula Enterprise starts at $500/year and Datto SIRIS at $1095/one-time + recurring, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bacula Enterprise or Datto SIRIS?
Bacula Enterprise starts at $500/year and Datto SIRIS at $1095/one-time + recurring.
Does Bacula Enterprise or Datto SIRIS run on more platforms?
Bacula Enterprise runs on Windows, Linux, Web. Datto SIRIS runs on Linux, Virtual Environments.
What is Bacula Enterprise best used for?
Bacula Enterprise is most often used for enterprise backup across virtual machines, databases and containers, multi-cloud and hybrid backup from one system, backup where licensing by data volume would be prohibitive, since bacula does not charge by capacity, long-retention archival for regulated environments. Of those, enterprise backup across virtual machines, databases and containers and multi-cloud and hybrid backup from one system are not what Datto SIRIS is typically brought in for.
What can Bacula Enterprise do that Datto SIRIS cannot?
Bacula Enterprise covers Modular architecture, Plugin framework, Deduplication, Cloud storage. Datto SIRIS covers Instant virtualization, Screenshot verification, Ransomware detection, Inverse chain technology. Both handle VMware, Hyper-V, Windows support, Linux support.

Answered from the vendors’ own pages

Bacula Enterprise: Does Bacula Enterprise offer a trial?

Yes. Bacula offers a trial that provides 'a streamlined version of Bacula Enterprise' with 'rapid access to an online, hosted environment'. However, no specific trial period duration is stated on the page.

Source
Datto SIRIS: What does SIRIS protect against?

Datto SIRIS includes immutable cloud backups, automated recovery verification, and integrated ransomware detection through Cloud Deletion Defense which undoes accidental or malicious backup deletion.

Source
Bacula Enterprise: Is there a free trial available, or does it require contacting sales?

The trial is available directly online without needing to contact sales first. The page provides streamlined access to test the service with Global Endpoint Deduplication and cloud storage capabilities.

Source
Datto SIRIS: What's the pricing model?

Datto SIRIS uses flat-rate pricing starting at $1,095, which includes installation, storage, VIP support, recoveries, two annual DR tests, and five-year warranty.

Source
Bacula Enterprise: Does Bacula charge by data volume?

No. One customer testimonial states 'we are not charged by data volume or hardware', indicating that Bacula does not use capacity-based pricing like some competitors.

Source
Datto SIRIS: What integrations does SIRIS have?

Datto SIRIS integrates natively with Autotask PSA, Datto RMM, ConnectWise Automate, and ConnectWise PSA. It also supports virtualization platforms like vSphere and CentOS Linux.

Source
Bacula Enterprise: How can I get Bacula pricing information?

Bacula directs interested parties to Request Pricing through their contact page rather than displaying rates publicly.

Source
Datto SIRIS: Is SIRIS cloud-only or appliance-based?

Datto SIRIS is an on-premises appliance that backs up data to Datto's cloud. You do not need to maintain your own physical server infrastructure for the core SIRIS functionality.

Source
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