Product Overview
The SRX345-SYS-JB is a high-performance Services Gateway from Juniper Networks, tailored for secure WAN and branch connectivity. Designed for mid-sized to large branch offices, this appliance delivers advanced security, robust networking capabilities, and high port density, all in a compact 1U rack-mountable form factor. The "JB" suffix indicates a version optimized for specific geographic regions or regulatory needs.
Product Details
The SRX345-SYS-JB provides up to 5 Gbps firewall throughput, integrated threat intelligence, and scalable VPN performance. It features multiple high-speed interfaces and is powered by Junos OS, offering unified threat management (UTM), intrusion prevention system (IPS), application visibility, and secure SD-WAN support. This model is well-suited for organizations looking for a balance of performance, cost-efficiency, and rich feature sets in a single platform.
Key Features
Up to 5 Gbps firewall throughput
8x 1GbE RJ-45 ports, 4x 1GbE SFP ports
Integrated routing, switching, and security services
AppSecure for application visibility and control
Advanced threat protection with Juniper Sky ATP (optional)
Supports IPsec VPN, NAT, and unified security policies
Powered by Junos OS
Compact 1U rack-mountable design
Product Specifications
| Specification | Detail |
| Model Number | SRX345-SYS-JB |
| Form Factor | 1U Rack-mountable |
| Firewall Throughput | Up to 5 Gbps |
| VPN Throughput | Up to 800 Mbps |
| Max Concurrent Sessions | 1 million |
| Ports | 8x 1GbE RJ-45 + 4x 1GbE SFP |
| Power Supply | Internal AC |
| OS | Junos OS |
| High Availability | Yes (HA support via clustering) |
| Dimensions | 17.5 x 12 x 1.75 in (44.5 x 30.5 x 4.4 cm) |
| Weight | Approx. 5.9 kg (13 lbs) |
Similar Models Comparison
| Model | Ports | Firewall Throughput | VPN Throughput | Use Case |
| SRX345-SYS-JB | 8x RJ-45 + 4x SFP | Up to 5 Gbps | Up to 800 Mbps | Mid-size to large branches |
| SRX320 | 6x RJ-45 + 2x SFP | 1 Gbps | 300 Mbps | Small to mid-size branches |
| SRX550M | Modular (up to 3 slots) | Up to 7 Gbps | 1 Gbps | Larger enterprises & campuses |
| SRX380 | 16x RJ-45 + 4x SFP | Up to 20 Gbps | 4.4 Gbps | High-performance branches |
