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Juniper SRX340 Services Gateway front view
Juniper SRX340
4.7 Gbps
Firewall throughput
800 Mbps
IPS throughput
256K Sess
Concurrent sessions
16 Ports
GE interfaces
Authorised Reseller
📦 Free UK Delivery
🔒 Full Warranty
📞 24/7 Support
Key Specifications
Firewall Throughput4.7 Gbps (large packets) / 1 Gbps (IMIX)
IPS Throughput400 Mbps
IPSec VPN Throughput600 Mbps
Concurrent Sessions256,000
New Sessions/sec10,000
GE Ports16 × GE (8 × RJ-45 + 8 × SFP)
Mini-PIM Slots4
Form Factor1U rack
+3 more specs below ↓
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Download Official Datasheet
PDF · Official manufacturer document
JuniperSKU: SRX340

Juniper Networks SRX340 Services Gateway Firewall

Mid-Branch NGFW with 16 GE Ports, 4.7 Gbps Firewall & SD-WAN

The SRX340 steps up to 16 GE ports, 4.7 Gbps firewall throughput, and 4 Mini-PIM expansion slots — serving as the ideal NGFW for larger branch offices requiring higher port density and throughput.

  • 4.7 Gbps stateful firewall throughput
  • 800 Mbps IPS throughput
  • 16 × GE ports (12 LAN + 4 WAN)
  • 4 × Mini-PIM expansion slots
  • 384,000 concurrent sessions
  • SD-WAN with AppQoS and path monitoring
  • Junos OS with centralised Security Director management

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Enquiring about: Juniper SRX340

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Key Features

Everything you need in one device

4.7 Gbps Firewall

Full stateful firewall at 4.7 Gbps — supporting higher-density branch offices and applications requiring multi-Gbps inter-VLAN throughput.

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800 Mbps IPS

Deep IPS inspection at 800 Mbps protects against application-layer exploits, CVEs, and threats targeting branch office applications and services.

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16 × GE Ports

12 LAN + 4 WAN GE ports provides sufficient density for medium branch offices without adding a separate access switch for most deployments.

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4 × Mini-PIM Slots

Four expansion slots support LTE, T1/E1, VDSL2, and additional Ethernet WAN interface modules for complex multi-WAN deployments.

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SD-WAN

Policy-based SD-WAN with SLA probing, per-application routing, and automatic failover across multiple WAN connections including MPLS and broadband.

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Unified Security Policy

Junos unified policy model combines firewall rules, IPS, application control, and URL filtering into a single, consistent policy framework.

About the Juniper SRX340

The Juniper SRX340 Services Gateway is designed for mid-sized branch offices that need higher port density and throughput than the SRX300/320 can provide. With 16 GE ports, 4.7 Gbps of firewall throughput, and four Mini-PIM expansion slots, the SRX340 handles branch offices with 30–80 users, denser device connectivity, and multi-WAN requirements.

Like all SRX platforms, the SRX340 runs Junos OS and supports the full suite of Juniper security services — IPS, AppSecure, UTM, and SSL inspection — alongside SD-WAN capabilities for intelligent WAN traffic management. The SRX340 is a common choice for distributed enterprises standardising on Juniper Networks across their branch WAN infrastructure.

Servnet stocks and supplies the Juniper SRX340 (SRX340-SYS-JB) to UK businesses. Contact us for pricing and support subscription options.

Technical Specifications

Firewall Throughput4.7 Gbps (large packets) / 1 Gbps (IMIX)
IPS Throughput400 Mbps
IPSec VPN Throughput600 Mbps
Concurrent Sessions256,000
New Sessions/sec10,000
GE Ports16 × GE (8 × RJ-45 + 8 × SFP)
Mini-PIM Slots4
Form Factor1U rack
Power Consumption40W typical
Operating SystemJunos OS
Part NumberSRX340-SYS-JB
📄 Download Datasheet (PDF)
Use Cases

Ideal for a wide range of deployments

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Medium Branch Offices

Serves 30–80 users with 16 GE ports, avoiding the need for a separate access switch in most medium branch deployments.

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Multi-WAN SD-WAN Spoke

4 WAN ports and SD-WAN capabilities make the SRX340 ideal for complex WAN topologies with MPLS, broadband, and LTE failover.

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Site-to-Site VPN

Terminates 1 Gbps IPSec VPN tunnels to centralised headend SRX5000 or SRX4000 firewalls in hub-and-spoke deployments.

FAQ

Frequently Asked Questions

Q. What is the difference between SRX320 and SRX340?

The SRX340 offers significantly more capacity — 4.7 Gbps vs 1 Gbps firewall, 16 vs 8 GE ports, 4 vs 2 Mini-PIM slots, and 384K vs 131K sessions — making it suitable for larger branch offices.

Q. Can I buy the SRX340 from Servnet?

Yes — contact sales@servnetuk.com for SRX340 (SRX340-SYS-JB) pricing and availability in the UK.

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.

Related Products

Juniper SRX300 Services Gateway front view
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Juniper SRX300

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

Juniper SRX320 Services Gateway front view
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Juniper SRX320

Branch NGFW with SD-WAN, PoE Support & Dual WAN

Juniper SRX345 Services Gateway front view
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Juniper SRX345

Top-of-Branch NGFW — 5 Gbps, 16 Ports & 6 Expansion Slots

Ready to order the Juniper SRX340?

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

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Mon–Fri 09:00–17:30 · sales@servnetuk.com · Servnet Ltd, Fetcham, Surrey