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File Storage · head to head

Barracuda Backup vs Datto SIRIS

Barracuda Backup logo

Barracuda Backup

File Storage

Complete backup solution with built-in ransomware protection

From
On request
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: Barracuda Backup requires subscription commitment per terabyte of data; Datto SIRIS requires on-premises appliance, not purely cloud-native
  • They diverge on capability: Barracuda Backup covers Unlimited cloud storage, Datto SIRIS covers Instant virtualization.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Barracuda Backup and Datto SIRIS actually diverge.

Attributes where Barracuda Backup and Datto SIRIS differ
AttributeBarracuda BackupDatto SIRIS
Starting priceOn request$1095/one-time + recurring
Pricing modelsubscriptionUnknown
PlatformsWindows, Linux, macOS, VMware, Hyper-VLinux, Virtual Environments
CategoryFile StorageBackup
Founded20032011

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

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 Barracuda Backup

  • Unlimited cloud storage
  • LiveBoot instant recovery
  • Instant replacement
  • Ransomware protection
  • Deduplication
  • Site-to-site replication
  • Exchange
  • SQL Server

Only in Datto SIRIS

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

Both cover

  • VMware
  • Hyper-V
  • Microsoft 365
  • Windows support
  • Linux support
  • Web support

What people use each for

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

Barracuda Backup

  • Enterprise data protection across physical and virtual environmentsnot Datto SIRIS
  • Ransomware recovery and data resiliencenot Datto SIRIS
  • Multi-location backup and replicationnot Datto SIRIS
  • Compliance reporting for regulated industriesnot Datto SIRIS

Datto SIRIS

  • Data protectionnot Barracuda Backup
  • Disaster recoverynot Barracuda Backup
  • Business continuitynot Barracuda Backup
  • Ransomware protectionnot Barracuda Backup
  • Compliancenot Barracuda Backup

Where each one falls short

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

Barracuda Backup

  • Requires subscription commitment per terabyte of data
  • Complex appliance-based architecture

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

Barracuda Backup

On request

No published plan breakdown. See the Barracuda Backup review.

Datto SIRIS

$1095/one-time + recurring

No published plan breakdown. See the Datto SIRIS review.

Which should you pick?

Choose Barracuda Backup if

  • You need unlimited cloud storage.
  • You work on Windows, Linux, macOS, VMware, Hyper-V.
  • You also want liveboot instant recovery.
Barracuda Backup 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 Barracuda Backup or Datto SIRIS better?
Neither clearly leads. Barracuda Backup starts at On request 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, Barracuda Backup or Datto SIRIS?
Barracuda Backup starts at On request and Datto SIRIS at $1095/one-time + recurring.
Does Barracuda Backup or Datto SIRIS run on more platforms?
Barracuda Backup runs on Windows, Linux, macOS, VMware, Hyper-V. Datto SIRIS runs on Linux, Virtual Environments.
What is Barracuda Backup best used for?
Barracuda Backup is most often used for enterprise data protection across physical and virtual environments, ransomware recovery and data resilience, multi-location backup and replication, compliance reporting for regulated industries. Of those, enterprise data protection across physical and virtual environments and ransomware recovery and data resilience are not what Datto SIRIS is typically brought in for.
What can Barracuda Backup do that Datto SIRIS cannot?
Barracuda Backup covers Unlimited cloud storage, LiveBoot instant recovery, Instant replacement, Ransomware protection. Datto SIRIS covers Instant virtualization, Screenshot verification, Ransomware detection, Inverse chain technology. Both handle VMware, Hyper-V, Microsoft 365, Windows support.

Answered from the vendors’ own pages

Barracuda Backup: How is Barracuda Backup licensed?

Barracuda uses a 'capacity-based, all-inclusive subscription model' based on a 'per-terabyte subscription model'. You 'pay for only what you need to protect today'.

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
Barracuda Backup: What is included in the subscription cost?

The subscription covers appliance hardware, software, support, Barracuda Cloud Storage, and Barracuda's Instant Replacement service with no hidden fees mentioned.

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
Barracuda Backup: Can I add more storage later without replacing equipment?

Yes. You can 'easily add extra TBs as your needs expand' without replacing hardware or shipping new appliances.

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
Barracuda Backup: Does Barracuda offer a free trial?

Yes, Free Trials are available. However, specific trial duration is not detailed on the pricing page. Use the Build and Price tool or contact sales for trial details.

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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