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Solid hardware base for custom licensing setups.
SRX300
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SRX300 (Hardware Only, require SRX300-JSB or SRX300-JSE to c...
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SRX300
- Description:
- SRX300 (Hardware Only, require SRX300-JSB or SRX300-JSE to complete the System) with 8GE (w 2x SFP), 4G RAM, 8G Flash. Includes external power supply and cable. RMK not included
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- Brand:
- Juniper
- GTIN:
- 832938073494
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SRX300 Overview
SRX300 is a high-performance hardware appliance designed for branch office and small-to-medium business deployments. It is available in both desktop and rack-mounted form factors, featuring dedicated multi-core processing to deliver up to 1 Gbps of firewall throughput. The device offers multiple port configurations, including 4 LAN ports, 2 WAN ports, and 2 SFP ports for flexible connectivity options, while incorporating dual AC power supplies for built‐in redundancy and continuous operation.
SRX300 integrates a full suite of security services such as IPS, antivirus, web filtering, and IPsec/SSL VPN to protect against advanced threats. The appliance supports various management options via CLI, GUI, and SNMP, making it well-suited for SMB, enterprise branch, and cloud-connected deployments. Its scalable architecture supports clustering and high availability in an active-passive setup, ensuring reliable secure access and segmentation across distributed network environments.
SRX300 price is is available on request. Get immediate quote.
Request bulk order quote for SRX300 for additional pricing. Browse the full Juniper Srx Series Service Gateways series or explore all Juniper products.
SRX300 Specifications
- Product Type
- Firewall Appliance
- Architecture
- Desktop / Rack-mount
- Deployment Type
- Small Business / Branch Office
- Use Case
- VPN / Secure Access / UTM
- Firewall Layer Supported
- Layer 3 / Layer 7
- Power Source
- AC Power Supply
- Redundant Power Supply Supported
- Yes
- Firewall Throughput
- 1 Gbps
- Threat Protection Throughput
- 500 Mbps
- IPS Throughput
- 500 Mbps
- VPN Throughput
- 100 Mbps
- Supported Applications
- N/A
- Centralized Configuration & Reporting
- Yes
- Feature
- Integrated Threat Management
- Concurrent Sessions
- 100,000
- Maximum Concurrent Sessions
- 100,000
- Users/Nodes
- 500
- Integrated I/O
- N/A
- New Sessions Per Second
- 10,000
- Supported VPN Types
- IPSec / SSL VPN
- Routing Protocols Supported
- OSPF / BGP / RIP / Static Routing
- Security Services
- Antivirus / Web Filtering / IPS / VPN
- High Availability
- Active-Passive
- Interfaces
- RJ-45 / SFP
- WAN Ports
- 2 WAN
- LAN Ports
- 4 LAN Ports
- Switch Ports
- No
- POE Ports
- No
- Management Options
- CLI / GUI / SNMP
- Logging & Monitoring
- Built-in / Syslog
- Firewall Policies Supported
- N/A
- Users Supported
- 500
- Memory
- 4 GB
- Flash Storage
- 16 GB
- Expansion Slots
- N/A
- Form Factor
- Desktop / 1 RU
- Rack Units
- 1 RU
- Device Type
- NGFW
- Product Name
- SRX300
- Height
- 1.75 inches
- Width
- 17.3 inches
- Depth
- 10.8 inches
- Weight
- 12 lbs
SRX300 Use Case
Secure Branch Office VPN and Edge Routing with SRX300-SRX300 Hardware
Deploy the SRX300-SRX300 hardware only (requires SRX300-JSB or SRX300-JSE) with 8 GE (2×SFP), 4 GB RAM and 8 GB flash to deliver high-performance site-to-site VPN, dynamic routing and advanced firewall services at the network edge. Includes external power supply and cable (RMK not included) to ensure rapid rollout in SMB branch environments. Outcome: unified security and reliable connectivity reduce downtime by up to 30%, while maintaining enterprise-grade threat prevention.
PCI DSS-Compliant Firewall for Retail Point-of-Sale Networks
Implement the SRX300-SRX300 hardware (plus SRX300-JSB/JS\xadE insert module) with 8 GE ports and 2 SFP uplinks, 4 GB RAM and 8 GB flash to enforce deep packet inspection, intrusion prevention and NAT for retail PoS systems. External power supply and cable included (RMK not included) enable straightforward integration with payment terminals and back-office servers. Outcome: robust data protection meets PCI DSS requirements, reducing audit preparation time by 40% and preventing revenue-impacting breaches.
Industrial Site Edge Security and IIoT Segmentation
Integrate the SRX300-SRX300 hardware (requires SRX300-JSB or SRX300-JSE) featuring 8 GE (2×SFP), 4 GB RAM and 8 GB flash to segment and protect IIoT devices, SCADA systems and remote telemetry at industrial sites. The package includes external power supply and cable (RMK not included) for fast deployment in harsh environments. Outcome: minimized attack surface, centralized policy management and a 25% improvement in operational uptime.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SRX300 |  SRX5400E-B5-AC |  SRX4100-SYS-JB-AC |  SRX5400X-CHAS-BB |  SRX5400X-B6-AC | |
|---|---|---|---|---|---|
| Product Type | Firewall Appliance | Firewall Appliance | Firewall Appliance | Firewall Appliance | Next-Generation Firewall Appliance |
| Architecture | Desktop / Rack-mount | Rack-mount | Rack-mount | Chassis | Rack-mount |
| Deployment Type | Small Business / Branch Office | Enterprise / Data Center | Enterprise | Enterprise / Data Center | Enterprise / Carrier / Data Center |
| Use Case | VPN / Secure Access / UTM | VPN / Secure Access / UTM | VPN | VPN / Secure Access / Segmentation / UTM | VPN / Secure Access / UTM |
| Firewall Layer Supported | Layer 3 / Layer 7 | Layer 3 / Layer 7 | Layer 7 | Layer 3 / Layer 4 / Layer 7 | Layer 3, Layer 4, Layer 7 |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| Firewall Throughput | 1 Gbps | 100 Gbps | 10 Gbps | 80 Gbps | 100 Gbps |
| Threat Protection Throughput | 500 Mbps | 50 Gbps | 4 Gbps | 20 Gbps | 20 Gbps |
| IPS Throughput | 500 Mbps | 20 Gbps | 3 Gbps | 12 Gbps | 15 Gbps |
| VPN Throughput | 100 Mbps | 70 Gbps | 3 Gbps | 20 Gbps | 20 Gbps |
| Supported Applications | N/A | 64 | N/A | 350 | N/A |
| Centralized Configuration & Reporting | Yes | Yes | Yes | Juniper Secure Analytics | Yes |
| Feature | Integrated Threat Management | High Availability, Clustering, Scalability | Next-Generation Firewall with Integrated Threat Intelligence | High Performance, Scalable, High Availability | High Availability, Scalability, Clustering |
| Concurrent Sessions | 100,000 | 5 Million | 300,000 | 10 Million | 4 Million |
| Maximum Concurrent Sessions | 100,000 | 10 Million | 300,000 | 10 Million | 4 Million |
| Users/Nodes | 500 | Unlimited | Unlimited | Unlimited | Unlimited |
| Integrated I/O | N/A | N/A | N/A | 8 | N/A |
| New Sessions Per Second | 10,000 | 200000 | 75,000 | 500,000 | 200,000 |
| Supported VPN Types | IPSec / SSL VPN | IPSec / SSL VPN / L2TP | IPSec / SSL VPN | IPSec / SSL VPN | IPSec, SSL VPN |
| Routing Protocols Supported | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF, BGP, RIP, Static Routing |
| Security Services | Antivirus / Web Filtering / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus / Web Filtering / Application Control / IPS / VPN | Antivirus, Web Filtering, Application Control, IPS, VPN |
| High Availability | Active-Passive | Active-Passive | Active-Passive | Active-Passive | Active-Active |
| Interfaces | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP / SFP+ | RJ-45 / SFP / SFP+ / QSFP+ / Combo Ports | RJ-45, SFP, SFP+ |
| WAN Ports | 2 WAN | 4 WAN | 2 WAN | 4 WAN | 2 WAN |
| LAN Ports | 4 LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN | 4 LAN Ports |
| Switch Ports | No | Yes | Yes | Yes | No |
| POE Ports | No | No | No | No | No |
| Management Options | CLI / GUI / SNMP | Cloud / CLI / GUI / Centralized / REST API / SNMP | Cloud / CLI / GUI / Centralized / REST API / SNMP | Cloud / CLI / GUI / Centralized / REST API / SNMP | Cloud, CLI, GUI, Centralized, REST API, SNMP |
| Logging & Monitoring | Built-in / Syslog | Built-in / Syslog / Cloud Logging | Built-in | Built-in | Built-in, Syslog, Cloud Logging |
| Firewall Policies Supported | N/A | N/A | 500 | N/A | N/A |
| Users Supported | 500 | N/A | N/A | N/A | N/A |
| Memory | 4 GB | 32 GB | 8 GB | 16 GB | 16 GB |
| Flash Storage | 16 GB | 128 GB | 128 GB | 128 GB SSD | 128 GB |
| Expansion Slots | N/A | SFP | SFP | SFP | SFP |
| Form Factor | Desktop / 1 RU | 2 RU | 2 RU | Chassis | 1 RU |
| Rack Units | 1 RU | 2 RU | 2 RU | 4 RU | 1 RU |
| Device Type | NGFW | NGFW | NGFW | NGFW | NGFW |
| Product Name | SRX300 | SRX5400E-B5-AC | SRX4100-SYS-JB-AC | SRX5400X-CHAS-BB | SRX5400X-B6-AC |
| Height | 1.75 inches | 4 inches | 3.5 inches | 7 inches | 1.75 inches |
| Width | 17.3 inches | 17 inches | 17 inches | 19 inches | 17.5 inches |
| Depth | 10.8 inches | 28 inches | 18 inches | 28 inches | 20.0 inches |
| Weight | 12 lbs | 50 lbs | 25 lbs | 85 lbs | 25 lbs |
Reviews & Ratings
O
Oliver Shaw
4
Compact design fit well in small racks.
V
Victor Hayes
4
Reliable hardware platform.
D
Daniel Morgan
4
Worked well once software was added.
J
James Walker
4
Good entry level option.
Questions & Answers
What is the Juniper SRX300 hardware-only model?
The SRX300 hardware-only is a compact security gateway offering eight Gigabit Ethernet ports, two SFP uplinks, 4 GB RAM and 8 GB flash storage. It requires a separate SRX300-JSB or SRX300-JSE system board to run Junos OS.
Which system board is required to complete the SRX300 system?
You must install either the SRX300-JSB (Standard) or SRX300-JSE (Enhanced) system board to activate Junos OS, advanced security services and routing features on the SRX300 chassis.
How many Gigabit Ethernet and SFP ports does the SRX300 have?
The SRX300 chassis includes eight 10/100/1000 Mbps RJ-45 ports and two SFP slots for fiber or SFP-based copper uplinks.
What are the memory and storage specifications of the SRX300?
The SRX300 ships with 4 GB of DDR3 RAM and 8 GB of onboard flash storage, enabling robust security services and persistent configuration storage.
What components are included in the SRX300 hardware-only package?
The package includes the SRX300 chassis, external power supply, power cable and quick-start guide. No system board or rack-mount kit is included.
What items are not included with the SRX300 hardware-only model?
This model excludes the SRX300-JSB or SRX300-JSE system board, rack-mount kit (RMK) and any SFP transceivers or security licenses.
What are the power requirements for the SRX300?
The SRX300 uses an external 12 VDC, 100 W power adapter that supports 100–240 VAC input and operates from 0 °C to 40 °C ambient temperature.
Can the SRX300 be rack-mounted?
A rack-mount kit is not included. You can optionally purchase the compatible RMK-SRX300 kit to install the SRX300 in a 19″ rack.
What is the firewall throughput of the SRX300?
With the SRX300-JSB board, expect up to 1 Gbps firewall throughput; the SRX300-JSE board boosts performance to 2 Gbps under standard test conditions.
Which operating system runs on the SRX300?
The SRX300 runs Juniper Networks Junos OS, delivering integrated routing, switching and firewall security services from a unified OS core.
Is the SRX300 suitable for branch office deployments?
Yes, the SRX300 is optimized for small to medium branch offices, enabling secure Internet connectivity, VPN termination and application-aware firewall services.
How do I install and configure the SRX300 firewall?
Mount or desk-top place the chassis, connect network and power cables, install the SRX300-JSB/JSE board, console in via USB or RJ-45, and follow the Junos OS CLI quick-start guide.
What warranty and support options are available for the SRX300?
Standard warranty covers one year of hardware replacement. Juniper Care contracts extend support with 24×7 hardware replacement and software updates.
How can I upgrade the SRX300 memory or interfaces?
Memory and flash are soldered; upgrades require replacing the SRX300-JSE system board. For additional interfaces, install SFP modules in the onboard SFP slots.
Where can I buy compatible accessories and licenses for the SRX300?
Compatible accessories, including RMK-SRX300, SFP transceivers and security licenses, are available through authorized Juniper resellers or the Juniper Networks online store.
What environmental specifications apply to the SRX300?
The SRX300 operates at 0 °C to 40 °C with 10% to 90% non-condensing humidity, stores at −20 °C to 70 °C and meets NEBS Level 3 and FCC Class B standards.