Endian 4i vs SaiFlow: Side-by-Side Comparison (2026)

Endian 4i: Industrial security gateway for OT environments with ruggedized hardware. built by Endian. Core capabilities include Ruggedized hardware with DIN rail support for industrial environments, Extended temperature range operation (-20°C to +60°C), Cellular and WiFi connectivity with 4G and 5G support..

SaiFlow: AI-powered runtime security for distributed energy networks and IoT devices. built by Saiflow. Core capabilities include AI-powered contextual threat detection for cyber and energy anomalies, Real-time correlation of power and network data, Full visibility of distributed energy IoT assets..

Both serve the Industrial Control System Security market but differ in approach, feature depth, and target audience.

Endian 4i differentiates with Ruggedized hardware with DIN rail support for industrial environments, Extended temperature range operation (-20°C to +60°C), Cellular and WiFi connectivity with 4G and 5G support. SaiFlow differentiates with AI-powered contextual threat detection for cyber and energy anomalies, Real-time correlation of power and network data, Full visibility of distributed energy IoT assets.

Endian 4i is developed by Endian. SaiFlow is developed by Saiflow. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Endian 4i and SaiFlow serve similar Industrial Control System Security use cases: both are Industrial Control System Security tools, both cover IOT Security. Review the feature comparison above to determine which fits your requirements.