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Guardian sensors
Guardian sensors are passive network monitoring devices that provide asset visibility, detect threats, and support secure deployments across operational (OT) and Internet of Things (IoT) environments.
Technical specifications
Specialized requirements
NG-500R
The NG-500R Guardian sensor is designed for mid-to-large-scale networks, offering a balance between high-performance security and scalability. With support for up to 80,000 network elements and 30,000 Internet of Things (IoT) devices, it provides robust protection with 800 Mbps throughput.

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- Guardian sensors
  Guardian sensors are passive network monitoring devices that provide asset visibility, detect threats, and support secure deployments across operational (OT) and Internet of Things (IoT) environments.
  - Technical specifications
    - Large enterprise
    - Medium enterprise
    - Specialized requirements
      - NG-500R
        The NG-500R Guardian sensor is designed for mid-to-large-scale networks, offering a balance between high-performance security and scalability. With support for up to 80,000 network elements and 30,000 Internet of Things (IoT) devices, it provides robust protection with 800 Mbps throughput.
      - NS1R
        The NS1R Guardian sensor is a compact, entry-level security solution ideal for small industrial or enterprise deployments. Supporting up to 500 nodes and 2,500 Internet of Things (IoT) devices, it offers effective protection with a space-saving DIN-mountable design.
      - P550
        The P550 Guardian sensor is a desktop-mounted security device optimized for small-to-medium networks. With 2,500 protected nodes and 200 Mbps throughput, it is a reliable and compact cybersecurity solution.

NG-500R

The NG-500R Guardian sensor is designed for mid-to-large-scale networks, offering a balance between high-performance security and scalability. With support for up to 80,000 network elements and 30,000 Internet of Things (IoT) devices, it provides robust protection with 800 Mbps throughput.

Table 1. NG-500R
Maximum protected nodes	5,000
Maximum protected network elements	80,000
Maximum protected smart Internet of Things (IoT) devices	30,000
Maximum throughput	800 Mbps
Maximum Remote Collectors	30
Monitored ports	3x1000BASE-T
Management ports	1x1000BASE-T
Expansion slots	2 slots available: 4 x 1000BASE-T \| 4 x SFP
Storage	32 gigabyte (GB) for operating system (OS), 2 x 256GB for Data (RAID 1)
Form factor	3 rack unit
Maximum power consumption	115 W
Power supply	Dual 100 - 240V AC, 16.6 - 160V DC
Temperature range	-40 - 158 ℉ / -40 - 70 ℃
Height x width x length	5.18 x 17.2 x 11.8 in / 132 x 438 x 300 mm
Weight	18.74 lb / 8.5 kg
Certifications	CE \| FCC \| UL \| CB