REFURBISHED
Cisco
Cisco ISR4451-X-V/K9 Refurbished - Integrated Services Router
MPN: ISR4451-X-V/K9
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Lifetime
Warranty
ISO 9001
Certified Testing
R2v3
Responsible Refurb
25+
Years
5K+
Customers
ISO
Certified
✓
Tested
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Tested to factory specification. Backed by 25 years of enterprise trust.
The Cisco ISR4451-X-V/K9 is a Refurbished enterprise-grade router from the Cisco 4000 Series Integrated Services Router (ISR) platform, purpose-built to meet the evolving demands of modern branch office networking. Combining routing, switching, security, and unified communications capabilities into a single, converged device, this router enables IT teams to simplify their branch infrastructure while maintaining the performance and reliability required for business-critical applications.As part of the ISR 4000 Series, the ISR4451-X-V/K9 supports a modular architecture, allowing organizations to add functionality through optional Network Interface Modules (NIMs), Service Modules (SMs), and Interface Module Cards as business needs grow. This flexibility makes it a cost-effective, future-ready investment for enterprises seeking to extend network capabilities without deploying additional standalone hardware.
The router is well-suited for medium to large enterprise branch deployments where consolidated WAN connectivity, integrated security services such as firewall and VPN, and advanced application visibility are essential. It integrates with Cisco IOS XE Software, providing a consistent operating environment and access to a broad suite of network services and management tools.
Purchased as Refurbished through WhaleyComm, the ISR4451-X-V/K9 delivers enterprise-class functionality at a significantly reduced price point compared to new hardware, making it an excellent choice for organizations looking to maximize their IT budget without sacrificing performance or reliability.
Technical Specifications
Model / MPN
ISR4451-X-V/K9
Brand
Cisco
Series
Cisco ISR 4451
Product Type
Integrated Services Router (Voice Bundle)
Condition
Refurbished
WAN/LAN Ports
4 x Gigabit Ethernet (RJ45)
NIM Bays
4 x Network Interface Module (NIM) slots
SM Bays
2 x Service Module (SM) slots
Throughput
Up to 2 Gbps aggregate
IPSec VPN Throughput
Up to 1.4 Gbps
Voice License
CUBE (Cisco Unified Border Element) license included
USB Ports
2 x USB 2.0
Management
Console, AUX
Operating System
Cisco IOS XE
Form Factor
1U rack-mount
Ideal Use Cases
Enterprise Branch Office Consolidation
The ISR4451-X-V/K9 integrates routing, security, and voice services into a single platform, reducing the number of devices required at branch locations. This simplifies management and lowers operational overhead for distributed enterprise environments.
Secure WAN Connectivity
With support for integrated VPN and firewall capabilities via Cisco IOS XE, this router is well-suited for organizations requiring secure, encrypted connectivity between branch sites and headquarters. It enables consistent security policy enforcement across the WAN without additional appliances.
Unified Communications at the Branch
The ISR4451-X-V/K9 supports integrated voice and collaboration services, making it ideal for branch offices that require on-site telephony capabilities. Organizations can deliver unified communications features without deploying a separate communications platform.
What's Included
✔ Cisco ISR4451-X-V/K9 Refurbished Router Unit
✔ WhaleyComm Standard Hardware Warranty
Lifetime Warranty - No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. 25 years, 5,000+ customers.
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
Compatibility information is not available for this product.
Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
Shipping
Orders ship within 1-2 business days.
Returns
Contact support for DOA or warranty issues.
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
The 'V' designation in the model number typically indicates that the unit includes voice capability features, such as support for Digital Signal Processor (DSP) modules for integrated voice and collaboration services. We recommend verifying the exact bundle contents with WhaleyComm prior to purchase.
A Refurbished unit has been previously used and has undergone inspection and testing to ensure it meets functional standards. Refurbished hardware from WhaleyComm provides the same core performance as new hardware at a reduced cost, making it an excellent option for budget-conscious IT procurement.
The ISR4451-X-V/K9 is designed to operate on Cisco IOS XE Software; however, specific software licensing and version availability should be confirmed with WhaleyComm at the time of purchase, as software entitlements may vary on Refurbished units.
Yes, the Cisco ISR4451-X-V/K9 supports a modular design, allowing the addition of Network Interface Modules (NIMs), Service Modules (SMs), and other compatible expansion cards to extend WAN, voice, and security capabilities as your network requirements evolve.
Cisco ISR4451-X-V/K9 Refurbished - Integrated Services Router
$229.00
Cisco
Cisco ISR4451-X-V/K9 Refurbished - Integrated Services Router
MPN: ISR4451-X-V/K9
$229.00
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