Prices can vary greatly based on features needed, support and customization requests. Knowing what you're after helps vendors give you the most fair price.
Network Security
Data Security
Cloud Security
Web Security
Email Security
Gateway Security
Filtering
Attack Surface Monitoring
Threat Hunting
Threat Blocking
Threat Intelligence
Threat Library
Incident Triage
Incident Response & Remediation
Security Information and Event Management (SIEM)
Security Orchestration and Automation Response (SOAR)