Cisco ISR 4000: Flexible, Secure, and Scalable Routing Platform
New, used or refurbished
The Cisco ISR 4000 Series is the reliable choice for businesses that value secure site-to-site connectivity, high-performance routing, and integrated services. Whether it’s the Cisco ISR 4200, Cisco ISR 4300, or Cisco ISR 4400, this router family covers a wide range of performance and functionality requirements, making it ideal for branch networks, corporate headquarters, and hybrid work environments.
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Versatile Use Cases
The Cisco 4000 Series routers are designed for a variety of scenarios:
- Site-to-site connectivity between branches, data centers, and cloud services
- Secure VPN connections for remote workforces
- Optimization of voice, video, and data traffic via QoS
- Centralized management and automated deployment via Cisco DNA Center
Tip: The ISR 4000 Series combines routing, security, WAN optimization, and application hosting in a single device – ideal for reducing hardware requirements and operating costs.
Powerful Features at a Glance
The series offers a wide range of enterprise-grade features to meet complex network demands:
- Multi-gigabit WAN performance: Support for high data rates and simultaneous services
- Integrated security: Firewall, VPN, IPS, URL filtering
- Flexible interfaces: Gigabit Ethernet, SFP, DSL, and 4G/LTE
- Modular expansion: Interface cards, additional WAN modules, or PoE support
- Application Experience (AX): Host applications directly on the router
Cisco ISR 4000 Models Compared
- Cisco ISR 4200: Compact, ideal for small branches with moderate bandwidth needs
- Cisco ISR 4300: High performance for medium to large branches and corporate sites
- Cisco ISR 4400: Top-tier performance for headquarters and high data loads
Practical benefit: Thanks to its modular architecture, you can adapt the feature set as needed – without replacing the entire router.
Enterprise-Grade Security
The Cisco ISR 4000 Series comes with comprehensive security capabilities:
- Stateful firewall & access control
- Intrusion Prevention System (IPS)
- Encryption for site-to-site and remote VPNs (IPsec, SSL)
- VLAN segmentation for sensitive business areas
These features are fully integrated into the platform and can be centrally managed.
Buying Guide: Key Factors to Consider
Before purchasing a Cisco 4000 router, we recommend:
- Assessing bandwidth and performance requirements
- Reviewing security needs (compliance, data protection)
- Considering scalability (modules, licenses, interfaces)
- Understanding the licensing model (Cisco Smart Licensing for security and advanced features)
In the event of malfunctions or further development of your IT infrastructure, our maintenance and service offerings can help. With our CleverCare packages, our experts are personally available to assist you in finding appropriate and quick solutions.
Cisco ISR 4000: new, used and refurbished at it-market
At it-market, you will find the complete Cisco ISR 4000 Series – from the compact 4200 to the high-performance 4400 – available new, used, or refurbished. All refurbished devices are tested, fully functional, and ready for immediate deployment.
We also offer:
- 3 years warranty for companies
- up to 2,500 euros buyer protection
- short delivery times
Do you have any questions? Our sales team will be happy to answer your questions about IT hardware and IT remarketing.