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by Juniper
Product Line: Juniper SRX Series Series
Product Type: Gateway
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Product Description

The SRX320-SYS-JE Juniper integrates advanced networking and security capabilities, supporting 8GbE network ports, 2x MPIM slots, and 2x 1 Gigabit Ethernet SFP uplink ports. It is equipped with 4G RAM and 8G Flash storage, facilitating enhanced performance for firewall, NAT, IPsec, routing, and application security functions as part of the Junos Software Enhanced feature set. This device also delivers a stateful firewall throughput of 500 Mbps, IPsec VPN throughput of 300 Mbps, and supports up to 256 IPsec VPN tunnels, ensuring secure and efficient network connectivity.

FAQs for the SRX320-SYS-JE

  • What are the network port specifications of this device?
    Answer: The device has 6x 1 Gigabit Ethernet RJ-45 network ports, 2x 1 Gigabit Ethernet SFP uplink ports, 1x Console RJ-45 management port, 1x Mini USB, and 1x USB port.
  • How much system memory and storage does the 4G RAM, 8G Flash model offer?
    Answer: It offers 4 GB of system memory (RAM) and 8 GB of flash storage.
  • Can the device support IPsec VPN tunnels, and if so, how many?
    Answer: Yes, the device supports up to 256 IPsec VPN tunnels.
  • What is the power supply type for the power adapter and cable?
    Answer: The device uses an AC (external) power supply.
  • What are the operating and nonoperating temperature ranges?
    Answer: The operating temperature range is 32° to 104° F (0° to 40° C), and the nonoperating temperature range is 4° to 158° F (-20° to 70° C).
  • What are the dimensions and weight of the device including the power supply unit (PSU)?
    Answer: The dimensions are 11.81 x 1.73 x 7.52 in. (29.99 x 4.39 x 19.10 cm), and the weight of the device and PSU is 3.28 lb (1.51 kg)3 / 3.4 lb (1.55 kb)4.
  • How does Junos Software Enhanced enhance the device's capabilities?
    Answer: Junos Software Enhanced provides firewall, NAT, IPsec, routing, MPLS, switching, and application security functionalities.
  • What is the maximum Power over Ethernet (PoE) power available?
    Answer: The maximum PoE power available is 180 W.
  • What are the device's capabilities regarding stateful firewall and IPsec VPN in terms of Mbps?
    Answer: The stateful firewall capability is up to 500 Mbps (IMIX packet size), and the IPsec VPN capability is up to 300 Mbps (1,400 B packet size).
  • What is the average power consumption of the device?
    Answer: The average power consumption of the device is 27 W.

Product Review

The Juniper SRX320-SYS-JE offers a comprehensive set of features suitable for small to medium-sized enterprise networks, including firewall, NAT, IPSec, and MPLS capabilities, supported by 4G RAM and 8G Flash for efficient processing. However, its limitation to 6x1GbE RJ-45 and 2x1GbE SFP ports may restrict scalability in environments requiring higher throughput or more extensive network interfaces. Additionally, while the device's power consumption is relatively low at an average of 27W, the maximum PoE power of 180W might not suffice for networks with numerous PoE devices, potentially necessitating additional power sources.


The Juniper SRX320-SYS-JE is a networking device tailored for small to medium-sized enterprises, offering advanced security, routing, and switching capabilities. It integrates Junos Software Enhanced to deliver comprehensive protection and network efficiency through features like firewall, NAT, IPsec, routing, MPLS, switching, and application security. This device is designed to cater to the growing demands of secure and reliable network infrastructure. At the core of its hardware specifications, the SRX320-SYS-JE is equipped with 6x 1 Gigabit Ethernet RJ-45 network ports and 2x 1 Gigabit Ethernet SFP uplink ports, providing ample connectivity options for various network setups. It also features 2x MPIM slots, enhancing its modular capability and offering flexibility in network expansion or integration with other modules for additional functionalities. For local management and configuration, the device includes a console RJ-45 port, a Mini USB, and a USB port, ensuring convenient access for network administrators. The system's performance is bolstered by 4 GB of RAM and 8 GB of flash storage, ensuring smooth operation and ample space for software and configuration files. In terms of physical dimensions, the SRX320-SYS-JE measures 11.81 x 1.73 x 7.52 inches and weighs between 3.28 to 3.4 pounds, making it compact enough for desktop use or rack mounting in space-constrained environments. Power efficiency is a notable aspect of this device, with an external AC power supply and an average power consumption of 27 W. It supports a maximum PoE power of 180 W, facilitating the operation of PoE devices directly through its network ports without the need for additional power sources.
  • Routing performance is capable of handling up to 300 Kpps with packet mode routing for 64-byte packet sizes.
  • IPsec VPN throughput reaches up to 300 Mbps for 1,400-byte packet sizes, alongside support for up to 256 IPsec VPN tunnels, catering to secure remote access and site-to-site connectivity.
  • The stateful firewall throughput is capable of handling up to 500 Mbps with IMIX packet size, ensuring efficient and secure network traffic management.
For environmental durability, the SRX320-SYS-JE operates within a temperature range of 32° to 104° F and can be stored in conditions ranging from 4° to 158° F. It's designed to function in humidity levels of 10% to 90% noncondensing when operating and 5% to 95% noncondensing during storage. This resilience ensures reliable performance in a wide range of environmental conditions, making it a versatile choice for various deployment scenarios. Overall, the Juniper SRX320-SYS-JE stands out as a comprehensive networking solution for businesses seeking to bolster their security posture while maintaining high levels of network performance and reliability. Its combination of powerful hardware specifications and advanced software features makes it an ideal choice for organizations looking to future-proof their networks.


Item NumberSRX320-SYS-JE
Hardware Configuration8 Gigabit Ethernet ports, Dual MPIM slots, 4GB RAM, 8GB Flash storage, includes power adapter and cable
SoftwareJunos Software Enhanced with capabilities for firewall, NAT, IPSec, routing, MPLS, switching, and application security
Gigabit Ethernet Interfaces6x RJ-45
Gigabit SFP Uplinks2x
Management Interfaces1x Console RJ-45, 1x Mini USB, 1x USB
Network Interface Count6
Main Memory4GB
Flash Storage8GB
Dimensions11.81 x 1.73 x 7.52 inches (30 x 4.4 x 19.1 cm)
Weight (with Power Supply)3.28 lbs (1.51 kg) to 3.4 lbs (1.55 kg)
Power SourceExternal AC
Maximum Power over Ethernet180 Watts
Typical Power Consumption27 Watts
Packet Routing Rate (64-byte packets)300,000 pps
IPsec VPN Throughput (1400-byte packets)300 Mbps
Stateful Firewall Performance (IMIX)500 Mbps
IPsec VPN Connections256
Operational Temperature Range32° to 104° F (0° to 40° C)
Storage Temperature Range-4° to 158° F (-20° to 70° C)
Operational Humidity Range10% to 90% (non-condensing)
Storage Humidity Range5% to 95% (non-condensing)

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