SRX345-SYS-JB-DC - Juniper SRX Series Service Gateways Overview
SRX345-SYS-JB-DC - Juniper SRX Series Service Gateways is a genuine network security and threat protection product from Juniper, a vendor known for scalable, high-performance networking platforms from the campus edge to the core. Belonging to the Juniper SRX Series family, the SRX345-SYS-JB-DC unit is built to the original factory specification, so it integrates with existing Juniper deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
From a specification standpoint, it offers 8 ports for client, server or uplink connectivity; aggregate capacity of 5 Gbps. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Juniper hardware already running in the environment.
Typical deployments include perimeter protection with stateful inspection, branch-office security with VPN and threat prevention, and data-center north-south traffic filtering. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “SRX345 DC PSU & JUNOS BASE (JSB)”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the SRX345-SYS-JB-DC. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise WAN
Branch and campus routing with advanced services.
Service Provider
Edge routing for ISP and MPLS deployments.
Data Center
Interconnect core and aggregation layers reliably.
Buying a Pre-Owned SRX345-SYS-JB-DC
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
SRX345-SYS-JB-DC Specifications | |
| Product Name | SRX345-SYS-JB-DC |
| Brand | Juniper |
| Product Series | SRX |
| Power Supply Unit | DC |
| Operating System | JUNOS Base (JSB) |
| Form Factor | Fixed Configuration |
| Firewall Throughput | Up to 5 Gbps |
| IPSec VPN Throughput | Up to 800 Mbps |
| Maximum Concurrent Sessions | Up to 500,000 |
| New Sessions/Second | Up to 15,000 |
| IPS Throughput | Up to 900 Mbps |
| I/O Interfaces | 8x1GbE, 4x1Gb SFP |
| USB Ports | Yes |
| Management Port | Yes (RJ-45) |
| Encryption Support | AES (256-bit), SHA-1, SHA-256 |
| Virtual LANs (VLANs) | Support for up to 4096 VLANs |
| High Availability | Configurable options for high availability setups |
| Mounting Options | Rack-mounted (Rack Unit: 1U) |
| Dimensions (HxWxD) | 1.75 x 17.5 x 18.2 inches |
| Redundancy Features | Redundant power supply support |
| Warranty | Standard Juniper warranty |
SRX345-SYS-JB-DC - Deployment Notes
This SRX345-SYS-JB-DC security appliance is positioned for the throughput and VPN requirements of its specific SKU tier. Confirm the firewall throughput, VPN tunnel capacity, and interface configuration of this variant against your expected traffic profile before ordering.
For refresh or migration projects, verify the software version and license entitlements applicable to this unit. Our team can confirm the installed software and hardware revision before dispatch.
Every SRX345-SYS-JB-DC unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including interface status, console access and firmware state.
SRX345-SYS-JB-DC - Juniper Series Notes
This listing is part of the Juniper enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Juniper SRX firewall provides stateful inspection, VPN termination, and threat defense at the network perimeter. It is commonly deployed in internet-edge, site-to-site, and remote-access roles.
Deployment guidance: When planning this SRX345-SYS-JB-DC unit into a network, confirm the Junos OS version required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Juniper reconditioning process: Every pre-owned Juniper unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Juniper management tools.
Related models in this family: EX8200-8XS, EX8208-SRE320, EX8208, EX4500-40F-VC1-BF, EX4200-48T. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
Model code: DC = DC power supply - this suffix indicates the feature set, power, or port type of the SRX345-SYS-JB-DC, which affects software licensing and regional compliance.







