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Juniper SRX300 Services Gateway front view
Juniper SRX300
1 Gbps
Firewall throughput
200 Mbps
IPS throughput
64K Sess
Concurrent sessions
8 Ports
GE interfaces
Authorised Reseller
📦 Free UK Delivery
🔒 Full Warranty
📞 24/7 Support
Key Specifications
Firewall Throughput1 Gbps (large packets) / 500 Mbps (IMIX)
IPS Throughput200 Mbps
IPSec VPN Throughput300 Mbps
Concurrent Sessions64,000
New Sessions/sec5,000
GE Ports8 × GE (6 × RJ-45 + 2 × SFP)
Mini-PIM Slots2
USB Ports1 × USB 3.0
+5 more specs below ↓
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Download Official Datasheet
PDF · Official manufacturer document
JuniperSKU: SRX300

Juniper Networks SRX300 Services Gateway Firewall

Branch Office NGFW with Integrated Routing, SD-WAN & Security

The SRX300 Services Gateway delivers enterprise-grade stateful firewall, IPS, application visibility, and SD-WAN in a compact 1U desktop appliance — ideal for small branch offices and retail sites.

  • 1 Gbps stateful firewall throughput
  • 200 Mbps IPS throughput
  • 8 × GE ports (6 LAN + 2 WAN)
  • 2 × Mini-PIM expansion slots
  • Integrated SD-WAN and application-based routing
  • Junos OS — consistent CLI across all SRX platforms
  • Hardware-based crypto acceleration for IPSec VPN

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Key Features

Everything you need in one device

🔥

Stateful Firewall

Full stateful packet inspection with application-layer gateway (ALG) support — inspecting and securing 1 Gbps of traffic across all 8 GE ports.

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Intrusion Prevention

200 Mbps IPS throughput with Juniper's continuously updated signature database covering thousands of exploits, CVEs, and application-layer attacks.

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SD-WAN & AppQoS

Built-in SD-WAN steers application traffic intelligently across multiple WAN links — prioritising latency-sensitive traffic such as VoIP and video conferencing.

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IPSec VPN

Hardware-accelerated IPSec VPN connects branches to headquarters and cloud environments with up to 300 Mbps encrypted throughput.

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Junos OS

Every SRX runs the same Junos operating system — providing a consistent CLI, feature parity across platforms, and the same management tooling from branch to data centre.

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Mini-PIM Expansion

2 × Mini-PIM slots accept optional WAN interface modules (LTE, T1/E1, ADSL) to extend SRX300 connectivity for diverse branch environments.

About the Juniper SRX300

The Juniper SRX300 Services Gateway is Juniper Networks' entry-level branch firewall, combining stateful packet inspection, intrusion prevention, application visibility, and SD-WAN in a compact fanless form factor. Designed for small branch offices, retail sites, and remote locations, the SRX300 provides enterprise-grade network security without the complexity or cost of data-centre-class appliances.

Running the same Junos OS as all other SRX platforms, the SRX300 delivers full CLI consistency, identical feature support, and the same management integration — allowing network teams to manage branch and enterprise firewalls from a single Juniper Security Director or Space console. The SRX300 supports Juniper's Policy Enforcer for automated threat remediation across the security fabric.

Servnet is a UK Juniper Networks reseller, supplying the SRX300 with competitive pricing, UK warranty support, and expert pre-sales advice for branch firewall deployments.

Technical Specifications

Firewall Throughput1 Gbps (large packets) / 500 Mbps (IMIX)
IPS Throughput200 Mbps
IPSec VPN Throughput300 Mbps
Concurrent Sessions64,000
New Sessions/sec5,000
GE Ports8 × GE (6 × RJ-45 + 2 × SFP)
Mini-PIM Slots2
USB Ports1 × USB 3.0
Form FactorDesktop / 1U rack
Dimensions253 × 208 × 44 mm
Power Consumption30W typical
Operating SystemJunos OS
Part NumberSRX300-SYS-JB
📄 Download Datasheet (PDF)
Use Cases

Ideal for a wide range of deployments

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Retail Branches

Provides PCI-DSS-compliant network segmentation and secure payment processing for retail branches, with SD-WAN to improve uptime across MPLS and broadband WAN links.

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Small Branch Offices

Secures LAN access, provides internet gateway services, and creates site-to-site VPN tunnels back to headquarters for small offices with 10–30 users.

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SD-WAN Edge

Application-aware routing across dual WAN links with automatic failover — prioritising VoIP and video without requiring expensive MPLS-only connectivity.

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Secure Remote Access

Terminates IPSec VPN tunnels for road warriors and home workers, with user-level access control and network segmentation via security zones.

FAQ

Frequently Asked Questions

Q. What is the Juniper SRX300?

The SRX300 is a branch office Services Gateway from Juniper Networks, combining stateful firewall, IPS, application visibility, SD-WAN, and IPSec VPN in a compact form factor. It runs Junos OS — the same operating system as all other Juniper routers and firewalls.

Q. What is the part number for the SRX300?

The standard base bundle part number is SRX300-SYS-JB, which includes Junos Software Base licence. Additional security service subscriptions (IPS, AppID, antivirus) are sold separately.

Q. Can I buy the Juniper SRX300 from Servnet?

Yes — Servnet is a UK Juniper Networks reseller. Contact us at sales@servnetuk.com for pricing, availability, and support options.

Why Servnet

Why buy from Servnet?

Trusted UK IT reseller since 2003 — supplying businesses of all sizes with genuine, competitively priced technology.

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Authorised UK Reseller

Servnet is an authorised IT reseller with direct access to leading product lines at competitive pricing.

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Expert Pre-Sales Advice

Our engineers will help you select the right product and advise on compatibility with your existing infrastructure.

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Fast UK Delivery

Most products ship from UK stock. Express delivery available for urgent deployments.

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Genuine, Warranted Kit

All products are genuine, brand-new, with full manufacturer warranty and RMA support.

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Configuration Services

We can pre-configure your hardware before shipping — reducing on-site deployment time and cost.

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24/7 Support

Post-sale support from our certified engineers. We're here if anything goes wrong.

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Ready to order the Juniper SRX300?

Contact our team for a competitive quote, volume pricing, or compatibility advice.

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