SRX320-SYS-JB Compact Enterprise Firewall and VPN Router
Product Overview
The Juniper SRX320-SYS-JB is a compact and high-performance secure
services gateway designed for small to medium-sized branch offices.
It integrates routing, firewall, VPN, and advanced security
features in a single platform, delivering up to 1 Gbps firewall
throughput with robust enterprise-class protection and
connectivity.
Product Details and Features
| Item | Description |
|---|---|
| Model | SRX320-SYS-JB |
| Device Type | Secure Services Gateway (Firewall and Router) |
| WAN Interfaces | 6 x 1G RJ45 ports (2 dedicated WAN, 6 configurable) |
| LAN Interfaces | 6 x 1G RJ45 (configurable for LAN/WAN/DMZ) |
| Console Ports | 1 x RJ45 and 1 x Mini-USB |
| Expansion Slot | 1 x Mini-PIM slot (modular) |
| Firewall Throughput | Up to 1 Gbps |
| IPSec VPN Throughput | Up to 300 Mbps |
| Maximum Concurrent Sessions | 64,000 |
| Maximum Security Policies | 1,024 |
| High Availability | Supports chassis clustering |
| Power Supply | External AC power adapter |
| Dimensions | 240 x 150 x 44 mm |
| Weight | Approx. 1.6 kg |
| Mounting | Desktop or wall-mountable |
| Operating System | Junos OS with advanced security features |
| Ideal For | Secure branch connectivity, VPN aggregation, and perimeter defense |
Product Highlights
All-in-one firewall, router, and VPN solution for branch environments
6 configurable Gigabit Ethernet ports for flexible deployment
Modular Mini-PIM expansion for future interface additions
Supports advanced security services like UTM, IPS, AppSecure (with licenses)
Easy-to-manage Junos OS with CLI and Web UI options
Compact size, fanless operation, and low power consumption
Similar Models Comparison
| Model | WAN Ports | LAN Ports | Firewall Throughput | VPN Throughput | Modular Slots | Use Case |
|---|---|---|---|---|---|---|
| SRX320-SYS-JB | 6 x 1G | 6 x 1G | Up to 1 Gbps | 300 Mbps | 1 Mini-PIM | SMB branches |
| SRX300 | 2 x 1G | 6 x 1G | 500 Mbps | 100 Mbps | 1 Mini-PIM | Entry-level branches |
| SRX340 | 8 x 1G | 8 x 1G | 1.5 Gbps | 600 Mbps | 2 Mini-PIM | Mid-size branches |
Latest Models in the Same Series
| Model | Ports | Firewall Throughput | VPN Throughput | Mini-PIM Slots | Target Use |
|---|---|---|---|---|---|
| SRX320-SYS-JB | 6 x 1G | 1 Gbps | 300 Mbps | 1 | Small/medium branches |
| SRX345 | 16 x 1G | 5 Gbps | 1 Gbps | 2 | Larger branch offices |
| SRX380 | 24 x 1G + 4 x 10G | 20 Gbps | 4 Gbps | 2 | High-performance branches |
