Nagios XI vs SolarWinds NPM

A side-by-side comparison on deployment model, data residency, licensing basis and security coverage. Structural facts are verifiable against vendor documentation; the scored dimensions are our assessment.

NG

Nagios XI

Nagios Enterprises

6.9

Average across eight dimensions

Deployment
Self-hosted
Licensing
Per node (XI); Core is free
Time to value
Complex
Segment
Mid-market / enterprise
G2
4.5 (58)
SW

SolarWinds NPM

SolarWinds

7.5

Average across eight dimensions

Deployment
Self-hosted
Licensing
Per element
Time to value
Medium
Segment
Mid-market / enterprise
G2
—

Score by dimension

Dimension NG SW
Data residency control 9.5 8.5
Pricing value 6.5 4.5
Detection accuracy 7 8
Response speed 7 8
Ease of setup 5 7
Management UX 6 8.5
Integration depth 8.5 9
Security coverage 5.5 6.5

What the comparison says

Both platforms are self-hosted, so deployment model is not what separates them here. Nagios XI is described as complex to reach value, against medium for SolarWinds NPM.

Nagios XI licenses on per node (XI); Core is free, SolarWinds NPM on per element. Neither bills on data volume, so the comparison is about what each licence includes rather than how much you send it.

Nagios XI leads on residency and pricing value. SolarWinds NPM leads on fault detection, alerting speed, ease of setup, management UX and device coverage.

Nagios XI

  • +Enormous plugin ecosystem built up over two decades.
  • +Self-hosted with a long track record in conservative environments.
  • +Very widely understood, so skills are easy to hire for.
  • −Configuration and interface feel dated next to anything else in this table.
  • −Node-based licensing on XI, and the free Core edition requires substantial assembly.

Best for Existing Nagios estates and teams that value ecosystem breadth over modern UX.

Watch out Evaluate the interface directly with the people who will use it daily.

SolarWinds NPM

  • +Polished interface and mature topology mapping.
  • +Deep device support and a large module ecosystem across the Orion platform.
  • +Self-hosted, with strong enterprise reporting.
  • −Element-based licensing makes this among the most expensive options at scale.
  • −Reputational overhang from the 2020 supply chain compromise still features in security reviews.

Best for Enterprises wanting a polished commercial platform with broad device coverage.

Watch out Model element counts carefully, and expect security review questions about the vendor.

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More Nagios XI comparisons

NG vs NP NG vs ZB NG vs PR NG vs LN NG vs CM NG vs IC NG vs OB NG vs OM NG vs AU NG vs DD NG vs ND NG vs CA NG vs WU

More SolarWinds NPM comparisons

SW vs NP SW vs ZB SW vs PR SW vs LN SW vs CM SW vs IC SW vs OB SW vs OM SW vs AU SW vs DD SW vs ND SW vs CA SW vs WU

Data last verified 2026-10-06. nPro publishes this comparison. Where nPro appears as one of the platforms listed, its card is marked and its scores are our own assessment. Third-party review scores are sourced from public vendor profiles. Structural facts are verifiable against each vendor's documentation: deployment model, licensing basis and residency.