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Arcserve UDP vs Datto Backup

Arcserve UDP logo

Arcserve UDP

Software

Unified data protection for all workloads

From
$25/month
Rated
-
Full reviewWebsite
D

Datto Backup

Software

Business continuity without compromise

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Arcserve UDP multiple security vulnerabilities documented in 2025-2026 including authentication bypass and buffer overflow issues; Datto Backup no pricing figures are shown on the product page; buyers must request a demo or contact sales, with a separate FLEXspend for Datto Backup consumption option referenced but not priced, per datto.com, August 2026

Where they differ

Only the attributes on which Arcserve UDP and Datto Backup actually diverge.

Attributes where Arcserve UDP and Datto Backup differ
AttributeArcserve UDPDatto Backup
Starting price$25/monthOn request
Pricing modelsubscriptionquote
PlatformsWindows, LinuxWeb
Founded1983Unknown

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 Arcserve UDP

  • Assured recovery testing
  • Instant VM recovery
  • Deep application support
  • Ransomware protection
  • Tape backup
  • Hardware snapshots
  • VMware
  • Hyper-V

Only in Datto Backup

Nothing recorded that Arcserve UDP does not also cover.

What people use each for

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

Arcserve UDP

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

Datto Backup

No use cases recorded yet. See the Datto Backup review.

Where each one falls short

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

Arcserve UDP

  • Multiple security vulnerabilities documented in 2025-2026 including authentication bypass and buffer overflow issues
  • Slow restore speeds for large backup tasks and recovery operations
  • Requires full backup when changing drive sizes, causing extended backup windows

Datto Backup

  • No pricing figures are shown on the product page; buyers must request a demo or contact sales, with a separate FLEXspend for Datto Backup consumption option referenced but not priced, per datto.com, August 2026

Pricing, plan by plan

Arcserve UDP

$25/month
  • UDP Premium$25/month
    • Assured recovery
    • Instant VM
    • Tape support

Datto Backup

On request

No published plan breakdown. See the Datto Backup review.

Which should you pick?

Choose Arcserve UDP if

  • You need assured recovery testing.
  • You work on Windows, Linux.
  • You also want instant vm recovery.
Arcserve UDP review

Choose Datto Backup if

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

Datto Backup review

Questions people ask

Is Arcserve UDP or Datto Backup better?
Neither clearly leads. Arcserve UDP starts at $25/month and Datto Backup at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arcserve UDP or Datto Backup?
Arcserve UDP starts at $25/month and Datto Backup at On request.
Does Arcserve UDP or Datto Backup run on more platforms?
Arcserve UDP runs on Windows, Linux. Datto Backup runs on Web.
What is Arcserve UDP best used for?
Arcserve UDP is most often used for data protection, disaster recovery, business continuity, ransomware protection. Of those, data protection and disaster recovery are not what Datto Backup is typically brought in for.
What can Arcserve UDP do that Datto Backup cannot?
Arcserve UDP covers Assured recovery testing, Instant VM recovery, Deep application support, Ransomware protection.

Answered from the vendors’ own pages

Arcserve UDP: What licensing model does Arcserve UDP use?

Arcserve UDP uses a capacity-based subscription model (Managed Capacity Program) where you license based on total front-end terabytes of protected data rather than per-device. Available in Standard, Advanced, and Premium editions.

Source
Arcserve UDP: Does Arcserve UDP support cloud backup?

Yes. Arcserve UDP integrates with multiple cloud providers including AWS, Microsoft Azure, Google Cloud, and Wasabi for offsite backup and disaster recovery storage.

Source
Arcserve UDP: What hypervisors does Arcserve UDP support?

Arcserve UDP supports multiple hypervisors including VMware vSphere, Microsoft Hyper-V, KVM, and others, allowing granular recovery at the VM level with instant boot capabilities.

Source
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Related pages

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