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Backup · head to head

Cohesity vs Datto SIRIS

Cohesity logo

Cohesity

Backup

Protect, secure, and gain insights into your enterprise data

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: Cohesity no pricing details published on website; Datto SIRIS requires on-premises appliance, not purely cloud-native
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Cohesity and Datto SIRIS actually diverge.

Attributes where Cohesity and Datto SIRIS differ
AttributeCohesityDatto SIRIS
Starting priceOn request$1095/one-time + recurring
Pricing modelquoteUnknown
PlatformsWebLinux, Virtual Environments
FoundedUnknown2011

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 Cohesity

Nothing recorded that Datto SIRIS does not also cover.

Only in Datto SIRIS

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

What people use each for

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

Cohesity

  • Data protection and ransomware defensenot Datto SIRIS
  • Cloud backup and recovery across hybrid environmentsnot Datto SIRIS
  • Instant recovery from 1,000 VMs simultaneouslynot Datto SIRIS
  • Multi-cloud data management and securitynot Datto SIRIS
  • AI-powered threat detection and anomaly detectionnot Datto SIRIS

Datto SIRIS

  • Data protectionnot Cohesity
  • Disaster recoverynot Cohesity
  • Business continuitynot Cohesity
  • Ransomware protectionnot Cohesity
  • Compliancenot Cohesity

Where each one falls short

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

Cohesity

  • No pricing details published on website
  • Advanced edition status listed as coming soon
  • Requires contacting sales team for quotes
  • No self-service pricing tiers or calculator 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

Cohesity

On request

No published plan breakdown. See the Cohesity review.

Datto SIRIS

$1095/one-time + recurring

No published plan breakdown. See the Datto SIRIS review.

Which should you pick?

Choose Cohesity if

Nothing in the data separates Cohesity from Datto SIRIS on the points above - pick on price and on how each one feels to use.

Cohesity 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 Cohesity or Datto SIRIS better?
Neither clearly leads. Cohesity 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, Cohesity or Datto SIRIS?
Cohesity starts at On request and Datto SIRIS at $1095/one-time + recurring.
Does Cohesity or Datto SIRIS run on more platforms?
Cohesity runs on Web. Datto SIRIS runs on Linux, Virtual Environments.
What is Cohesity best used for?
Cohesity is most often used for data protection and ransomware defense, cloud backup and recovery across hybrid environments, instant recovery from 1,000 vms simultaneously, multi-cloud data management and security. Of those, data protection and ransomware defense and cloud backup and recovery across hybrid environments are not what Datto SIRIS is typically brought in for.
What can Cohesity do that Datto SIRIS cannot?
Datto SIRIS covers Instant virtualization, Screenshot verification, Ransomware detection, Inverse chain technology.

Answered from the vendors’ own pages

Cohesity: How much does Cohesity cost?

Cohesity does not publish specific pricing on their website. Customers must request a demo, contact the sales team, or initiate a 30-day free trial to discuss pricing options.

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
Cohesity: What editions does Cohesity offer?

Cohesity Data Cloud offers three editions: Core for entry-level, Enterprise for mid-tier, and Advanced (coming soon). Each includes varying Data Insights, Security, Protection, and Platform 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
Cohesity: Is there a free trial for Cohesity?

Yes, Cohesity offers a 30-day free trial without requiring a credit card. No credit card is needed to get started with the trial.

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
Cohesity: What performance benefits does Cohesity claim?

Cohesity claims 18x faster backups, 2x faster restores, instant recovery of 1000 VMs, and 50% lower total cost of ownership to secure and manage data.

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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