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by Juniper
Product Line: Juniper Networks SRX Series
Product Type: Router
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Product Description

The SRX4100-AC by Juniper features 8x 10 Gigabit Ethernet SFP+ ports and supports 40 Gbps stateful throughput, with 20 Gbps firewall throughput (IMIX), making it suitable for high-performance networking demands. It is equipped with 64 GB DRAM and 240 GB SSD in 1+1 RAID configuration, enhancing data integrity and system performance. The device is designed for efficiency, with an average power consumption of 200 W and heat dissipation of 685 BTU/hour, housed in a 1U rack form factor for streamlined data center integration.

Key Feature for the SRX4100-AC

  • What is the total number of 10 Gigabit Ethernet SFP+ ports available on this device?
  • There are 8x 10 Gigabit Ethernet SFP+ ports available.

  • Can you provide the dimensions of the 8 x Ports 10GbE + 2 x AC PSU + 4 x FAN Tray 1U Rack?
  • The dimensions are 17.48 x 1.7 x 25 in (44.39 x 4.31 x 63.5 cm).

  • What is the stateful throughput capability of the device?
  • The stateful throughput capability is 40 Gbps.

  • How much DRAM is included with the 8 x Ports 10GbE + 2 x AC PSU + 4 x FAN Tray 1U Rack?
  • It includes 64 GB of DRAM.

  • What are the operating temperature ranges for this network device?
  • The operating temperature ranges from 32° to 104° F (0° to 40° C).

  • How many fan trays does the 8 x Ports 10GbE + 2 x AC PSU + 4 x FAN Tray 1U Rack include?
  • It includes 4x Fan Trays.

  • What is the average power consumption of the hardware?
  • The average power consumption is 200 W.

  • What type of secondary storage is included with the 8 x Ports 10GbE + 2 x AC PSU + 4 x FAN Tray 1U Rack, and what is its capacity?
  • The device includes a 240 GB SSD with 1+1 RAID for secondary storage.

  • How does the firewall throughput (IMIX) rate compare to the stateful throughput?
  • The firewall throughput (IMIX) is 20 Gbps, which is half the stateful throughput of 40 Gbps.

  • What is the weight of the chassis with two AC power supplies?
  • The chassis with two AC power supplies weighs 29 lb (13.15 kg).

Product Review

The Juniper SRX4100-AC offers impressive performance with stateful throughput at 40 Gbps and firewall throughput at 20 Gbps, supported by 64 GB DRAM and 240 GB SSD in 1+1 RAID, making it suitable for demanding network environments. However, its operating temperature range is limited to 0° to 40° C, which may restrict deployment in environments with more extreme conditions. Additionally, the device's power consumption and heat dissipation, at an average of 200 W and 685 BTU/hour respectively, necessitate efficient cooling solutions, especially in densely packed data centers.


The Juniper SRX4100-AC is a firewall device designed for high-performance security architectures, catering to mid-sized to large enterprise environments. This unit is engineered to deliver comprehensive protection and high-speed processing with advanced networking and security features. At the core of its hardware specifications, the SRX4100-AC boasts 8 network ports of 10 Gigabit Ethernet SFP+ for high-speed connectivity. For management, it includes one Out of Band Management RJ-45 port, one console RJ-45 port, and two USB Type A ports, ensuring versatile connectivity options for network administrators. The device is equipped with dual AC power supply units (PSUs), ensuring uninterrupted operation and power redundancy. Additionally, it houses four fan trays within a 1U rack-mountable chassis, optimizing cooling and maintaining operational efficiency even under heavy load. The SRX4100-AC offers a stateful throughput of 40 Gbps and a firewall throughput (IMIX) of 20 Gbps, capable of handling large volumes of traffic without compromising on speed or security. Its capacity to manage up to 250,000 connections per second demonstrates its suitability for environments with high traffic demands. With 64 GB of DRAM and a 240 GB solid-state drive (SSD) configured in 1+1 RAID for redundancy, the SRX4100-AC ensures fast data processing and storage reliability. The solid-state technology contributes to the device's overall performance and durability.
  • Dimensions of the SRX4100-AC are 17.48 inches in width, 1.7 inches in height, and 25 inches in depth, fitting comfortably into a standard 1U rack space.
  • The chassis, inclusive of two AC power supplies, weighs 29 pounds, while the shipping weight, including packaging, is 47.5 pounds.
  • Redundant power supply configuration (1+1) ensures continuous operation, with an average power consumption of 200 watts and an average heat dissipation of 685 BTU/hour.
The SRX4100-AC operates effectively within a temperature range of 32° to 104° F (0° to 40° C) and can withstand a humidity range of 5% to 90% noncondensing, making it suitable for a wide variety of environmental conditions. It also features a maximum inrush current of 50 A by 1 AC cycle, highlighting its robust power handling capabilities. In summary, the Juniper SRX4100-AC combines high-speed connectivity, advanced security features, and reliable performance into a compact, efficiently cooled 1U chassis. Its comprehensive hardware specifications, including significant throughput capacities, ample memory and storage, and durable build, make it an ideal choice for businesses looking to secure their networks without compromising on speed or connectivity.


Item Number Juniper SRX4100-AC
Manufacturer Juniper
Configuration 8x 10GbE Ports, 2x AC Power Supplies, 4x Cooling Modules, 1U Form Factor
Network Interfaces 8x 10GbE SFP+ Ports
Administrative Interfaces 1x RJ-45 for Out-of-Band Management, 1x RJ-45 Console Port, 2x USB Type-A Ports
Throughput (Stateful) 40 Gigabits per second
IMIX Throughput 20 Gigabits per second
New Connections per Second 250,000
Memory (RAM) 64GB
Secondary Memory (SSD) 240GB, RAID 1 Configuration
Cooling System 4 Cooling Modules
Mounting Kit 1-Rack Unit (RU) Included
Dimensions (WxHxD) 17.48 x 1.73 x 25 inches (44.39 x 4.31 x 63.5 cm)
Weight (with Power Supplies) 29 pounds (13.15 kg)
Shipping Weight 47.5 pounds (21.54 kg)
Power Supply Redundancy Dual (1+1) AC Power Supplies
Power Usage Average 200 Watts
Heat Output 685 BTU/hour
Temperature Range 0° to 40°C (32° to 104°F)
Humidity Tolerance 5% to 90%, Non-condensing
Peak Inrush Current 50 Amperes for 1 AC Cycle

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