



ISR4221/K9
Transform Your Network with the Cisco ISR4221/K9
The ISR4221/K9 Integrated Services Router from Cisco is a powerhouse in the world of networking, tailored for enterprises that need high-speed connectivity, fortified security, and unparalleled reliability. This router seamlessly integrates advanced technologies to provide businesses with a robust solution that meets their evolving IT and communication needs. Whether you're managing a branch office, remote workforce, or expanding your network infrastructure, the ISR4221/K9 delivers a streamlined experience that empowers productivity and scalability.
Key Features
1. Superior Performance for Business Agility
The ISR4221/K9 is equipped with a powerful dual-core processor, offering throughput speeds of up to 75 Mbps. This ensures uninterrupted performance for bandwidth-intensive tasks, such as video conferencing, VoIP, and cloud-based applications. With built-in performance optimization, the router dynamically adjusts to workload demands, ensuring seamless operations even during peak usage periods.
2. Advanced Security for Peace of Mind
Security is paramount in today's digital landscape, and the ISR4221/K9 delivers industry-leading protection. Features include:
- Integrated Threat Defense: Safeguards your network with real-time monitoring and mitigation of threats such as malware, phishing, and DDoS attacks.
- VPN Support: Securely connects remote users and branch offices with advanced VPN protocols like IPsec and SSL.
- Cisco Trust Anchor Technology: Protects the integrity of your hardware and software through secure boot and firmware validation.
3. Multi-Service Integration
The ISR4221/K9 is designed for multi-service deployments, enabling businesses to converge voice, video, and data on a single platform. With support for Cisco Unified Communications, you can streamline collaboration tools across your organization, reducing costs and enhancing productivity.
4. Simplified Management
Managing your network is effortless with Cisco’s user-friendly interface:
- Cisco DNA Center: Offers centralized management with intuitive dashboards for real-time visibility and control.
- Device Manager: Simplifies configurations and monitoring, ensuring optimal performance at all times.
- Zero-Touch Deployment: Accelerates installation and setup, minimizing IT intervention.
5. Built for Scalability
As your business grows, so does your network. The ISR4221/K9 supports modular expansions, allowing you to add interfaces, increase throughput, and incorporate new technologies without replacing the hardware.
6. Eco-Friendly Design
Reduce your environmental footprint with the ISR4221/K9’s energy-efficient architecture, which complies with modern green IT standards.
Product Benefits
- Enhanced Productivity: Handles concurrent high-bandwidth applications with ease, enabling seamless communication and collaboration.
- Cost Savings: Combines routing, security, and unified communication features into a single device, eliminating the need for multiple hardware solutions.
- Future-Ready: Modular design and software updates ensure compatibility with upcoming technologies and network requirements.
- Reduced Downtime: Advanced monitoring and troubleshooting tools keep your network operational and reliable.
Technical Specifications
Specification | Details |
---|---|
Processor | Dual-core 1.0 GHz processor |
Maximum Throughput | Up to 75 Mbps |
Memory | 4 GB DRAM, 8 GB flash storage |
Ports | 2 x GE WAN/LAN ports |
WAN Protocols | Ethernet, DSL, Fiber |
VPN Protocols | IPsec, SSL, DMVPN |
Security Features | Firewall, IPS, URL filtering, Secure Boot |
Management Tools | Cisco DNA Center, CLI, SNMP |
Power Consumption | 40W (typical) |
Dimensions | 1RU form factor, 1.73” x 17.5” x 10.5” |
Weight | 7.5 lbs |
Operating Temperature Range | 32°F to 104°F (0°C to 40°C) |
Unique Selling Propositions (USPs)
1. Enterprise-Grade Security
The ISR4221/K9 incorporates cutting-edge security measures, such as hardware-accelerated encryption and Cisco’s Secure Boot, making it a trusted solution for safeguarding sensitive business data.
2. All-in-One Functionality
Why invest in multiple devices when the ISR4221/K9 can do it all? Its versatile capabilities make it ideal for consolidating IT resources without compromising performance.
3. Proven Cisco Reliability
As part of Cisco’s renowned ISR 4000 Series, this router is backed by decades of networking expertise, providing you with a trusted and dependable solution.
4. Versatile Deployment
From small branch offices to remote work hubs, the ISR4221/K9 adapts to your unique business needs, offering a flexible and scalable network infrastructure.
5. Energy Efficiency
Contribute to sustainability with the router’s eco-friendly design, which reduces power consumption and supports green IT initiatives.
Why Choose the Cisco ISR4221/K9?
When it comes to networking, the ISR4221/K9 stands out as a reliable, high-performance solution that addresses the demands of modern businesses. Whether you’re scaling your operations, prioritizing cybersecurity, or seeking to optimize your IT infrastructure, this router offers the features, flexibility, and reliability you need to stay ahead in a competitive market.
Customer Testimonials
"Since deploying the Cisco ISR4221/K9, our branch office connectivity has never been smoother. The security features give us complete peace of mind!" – TechOps Manager, Finance Sector.
"Setup was a breeze, and the performance is unparalleled. It's a game-changer for our growing enterprise." – IT Director, Retail Business.
Optimize Your Network Today
Empower your business with the Cisco ISR4221/K9 Integrated Services Router. Experience superior connectivity, unmatched security, and seamless scalability—all in a single, efficient device. Don’t let outdated infrastructure hold you back. Invest in the future of your network today.
ISR4221/K9 Specification
Cisco ISR4221/K9 Specification | |
Aggregate Throughput | 35 Mbps to 75 Mbps |
Total onboard WAN or LAN 10/100/1000 ports | 2 |
RJ-45-based ports | 2 |
SFP-based ports | 1 |
Enhanced service-module slots | 0 |
Doublewide service-module slots | 0 |
NIM slots | 2 |
OIR (all I/O modules) | No |
Onboard ISC slot | No |
Default memory double-data-rate 3 (DDR3) error-correction-code (ECC) DRAM (Combined control/services/data planes) | 4 GB |
Maximum memory DDR3 ECC DRAM (Combined control/services/data planes) | 4 GB |
Default memory DDR3 ECC DRAM (data plane) | NA |
Maximum memory DDR3 ECC DRAM (data plane) | NA |
Default memory DDR3 ECC DRAM (control/services plane) | NA |
Maximum memory DDR3 ECC DRAM (control/services plane) | NA |
Default flash memory | 8 GB |
Maximum flash memory | 8 GB |
External USB 2.0 slots (type A) | 1 |
USB console port -type B mini (up to 115.2 kbps) | 0 |
Serial console port - RJ45 (up to 115.2 kbps) | 1 (combo CON/AUX port) |
Serial auxiliary port - RJ45 (up to 115.2 kbps) | 1 (combo CON/AUX port) |
Power-supply options | External: AC Only |
Redundant power supply | N/A |
AC input voltage | 100 to 240 VAC autoranging |
AC input frequency | 47 to 63 Hz |
AC input current range, AC power supply (maximum) | 1.5 to 0.6A |
AC input surge current | 90 A peak and less than 3 Arms per half cycle |
Typical power (no modules) (watts) | 24 |
Maximum power with AC power supply (watts) | 90 |
Maximum power with PoE power supply (platform only) (watts) | NA (no PoE support) |
Maximum endpoint PoE power available from PoE power supply (watts) | NA (no PoE support) |