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Software · head to head

Spanning Backup vs Datto SIRIS

Spanning Backup logo

Spanning Backup

Software

SaaS backup for Google Workspace and Microsoft 365

From
$4/month
Rated
-
Full reviewWebsite
Datto SIRIS logo

Datto SIRIS

Software

All-in-one business continuity and disaster recovery

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

The short version

  • Each has a real cost: Spanning Backup cloud-only deployment; no on-premise or self-hosted options available; Datto SIRIS requires on-premises appliance, not purely cloud-native
  • They diverge on capability: Spanning Backup covers Automated daily backup, Datto SIRIS covers Instant virtualization.

Where they differ

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

Attributes where Spanning Backup and Datto SIRIS differ
AttributeSpanning BackupDatto SIRIS
Starting price$4/month$1095/one-time + recurring
Pricing modelsubscriptionUnknown
PlatformsCloud SaaSLinux, Virtual Environments
Founded20102011

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

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 Spanning Backup

  • Automated daily backup
  • Point-in-time restore
  • Cross-user restore
  • eDiscovery
  • Unlimited storage
  • Admin delegation
  • Google Workspace
  • Salesforce

Only in Datto SIRIS

  • Instant virtualization
  • Screenshot verification
  • Ransomware detection
  • Inverse chain technology
  • Cloud-first architecture
  • Automated DR testing
  • VMware
  • Hyper-V

Both cover

  • Microsoft 365
  • Web support

What people use each for

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

Spanning Backup

  • Cloud-to-cloud backup and disaster recovery for Microsoft 365 applicationsnot Datto SIRIS
  • Data protection and compliance management for Google Workspace and Salesforcenot Datto SIRIS

Datto SIRIS

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

Where each one falls short

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

Spanning Backup

  • Cloud-only deployment; no on-premise or self-hosted options available

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

Spanning Backup

$4/month
  • Spanning Backup$4/month
    • Daily backup
    • Point-in-time restore
    • Unlimited storage

Datto SIRIS

$1095/one-time + recurring

No published plan breakdown. See the Datto SIRIS review.

Which should you pick?

Choose Spanning Backup if

  • You need automated daily backup.
  • You work on Cloud SaaS.
  • You also want point-in-time restore.
Spanning 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 Spanning Backup or Datto SIRIS better?
Neither clearly leads. Spanning Backup starts at $4/month 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, Spanning Backup or Datto SIRIS?
Spanning Backup starts at $4/month and Datto SIRIS at $1095/one-time + recurring.
Does Spanning Backup or Datto SIRIS run on more platforms?
Spanning Backup runs on Cloud SaaS. Datto SIRIS runs on Linux, Virtual Environments.
What is Spanning Backup best used for?
Spanning Backup is most often used for cloud-to-cloud backup and disaster recovery for microsoft 365 applications, data protection and compliance management for google workspace and salesforce. Of those, cloud-to-cloud backup and disaster recovery for microsoft 365 applications and data protection and compliance management for google workspace and salesforce are not what Datto SIRIS is typically brought in for.
What can Spanning Backup do that Datto SIRIS cannot?
Spanning Backup covers Automated daily backup, Point-in-time restore, Cross-user restore, eDiscovery. Datto SIRIS covers Instant virtualization, Screenshot verification, Ransomware detection, Inverse chain technology. Both handle Microsoft 365, Web support.

Answered from the vendors’ own pages

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
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
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
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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