| Tool | Pricing Model | Approximate Annual Cost (250 nodes) | | :--- | :--- | :--- | | | Perpetual + Maintenance | ~$5,000 (Year 1), ~$1,000 (Years 2+) | | PRTG | Perpetual (by sensors) | ~$6,500 (Unlimited sensors) | | Zabbix | Open source (Free) | $0 + internal labor | | Datadog | SaaS (per host/month) | ~$15,000+ (250 hosts @ $5/host/month) |
Unlike simple SaaS subscriptions, Nagios XI uses a perpetual license model. Here is a breakdown of what you will actually pay, from sticker price to hidden variables. Nagios XI is sold in two primary editions. The cost difference hinges on features like the Configuration Snapshot Manager , Host Auto-Discovery , and Bandwidth Monitoring .
| Edition | Approximate Starting Price (Annual) | Best Suited For | | :--- | :--- | :--- | | | $1,995 (up to 100 nodes) | Small businesses, basic server monitoring. | | Enterprise | $2,995 (up to 100 nodes) | Data centers, compliance-heavy industries. |