NEXCOM Introduces ISA-120: Ultra-Compact Fanless OT Security Gateway

17 November 2025 Product News
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NEXCOM has announced the launch of the ISA-120, a fanless ultra-compact OT security gateway designed to secure and modernize operational technology networks. Built for industrial environments, this space-saving solution brings enterprise-grade security to even the most constrained installations.

Robust Security in a Compact Package

Powered by Intel's Atom® quad-core x6416RE processor with TPM 2.0, the ISA-120 delivers hardware-rooted security in a remarkably compact form factor. This all-in-one gateway hardware facilitates network microsegmentation and Zero Trust Network Access (ZTNA), fitting seamlessly into both legacy networks and greenfield projects.

Key Features:

  • Zero-Trust Protection: Advanced ZTNA capabilities for comprehensive network security and access control
  • Ultra-Compact Design: DIN rail mounting with dimensions of just 40mm × 110mm × 147mm, under 1kg
  • Extreme Reliability: Fanless operation from -40°C to 65°C for the toughest industrial environments
  • Flexible Deployment: Integrate your own software or deploy validated solutions from NEXCOM partners

Technical Specifications:

  • Processor: Intel® Atom® quad-core x6416RE
  • Memory: 8GB LPDDR4
  • Storage: 40GB pSLC eMMC
  • Network: Three 1 GbE ports with one bypass pair
  • Security: TPM 2.0 hardware-rooted protection
  • Connectivity: RJ45 console port, two USB 3.2 Gen 2 Type-A ports
  • Operating Temperature: -40°C to 65°C
  • Design: Fanless, rugged DIN rail mounting

Versatile Applications

The ISA-120's all-in-one design makes it suitable for security-critical applications including smart grids, smart waste management systems, smart factories, smart construction sites, and smart warehouses.

Find more Compact Network Security Servers and Embedded PC, Industrial Box / Mini-PC in our catalog.


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