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Cisco ISR4431-SEC/K9-RF 4431 Router Refurbished - 4 Port Gigabit Ethernet - 8 Expansion Slots - 1U Rack/Wall Mount - 90-Day Warranty

SKU: ISR4431-SEC/K9-RF
UPC: 882658929687
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MSRP: $16,023.07
$16,023.07
$10,168.99
Save: $5,854.08 (36.54%)
Warranty Information: 90 Day
Condition: Refurbished
Width: 43.82 (cm)
Height: 4.39 (cm)
Depth: 50.72 (cm)

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Product Features

Description

Product Overview

The Cisco 4431 Router Security Edition is a refurbished enterprise-grade networking device designed for secure and reliable edge connectivity. Part of the Cisco 4000 series, this router delivers high-performance routing with Gigabit Ethernet technology, supporting data transfer rates up to 1000 Mbps over twisted-pair cabling. It is engineered to provide robust internet and inter-office connectivity, making it a dependable choice for business networks.

This router features a 1U form factor that is both rack-mountable and wall-mountable, offering flexible deployment options in data centers, server rooms, or office environments. With its SEC license type, it includes essential security functionalities to protect network traffic. The refurbished condition ensures cost-effective access to Cisco's trusted hardware, backed by a 90-day limited warranty for peace of mind.

Dimensions
Width
17.25" (438.15 mm)
Depth
19.97" (507.24 mm)
Height
1.73" (43.94 mm)
Weight
18.50 lb (8391.46 g)
Network Interfaces
Total Ports4
Management PortYes
Ethernet TechnologyGigabit Ethernet
Expansion and Performance
Expansion Slots8
Network Technology10/100/1000Base-T
VoIP SupportYes
Physical and Warranty
Form Factor1U Rack-mountable, Wall Mountable
Weight18.50 lb (8391.46 g)
Warranty90 Day

Technical Overview

The Cisco 4431 Router is built with four Gigabit Ethernet ports that support 10/100/1000Base-T network technology, enabling fast and efficient data transfers across local and wide area networks. It includes a dedicated management port for streamlined setup and configuration control, allowing network administrators to monitor and adjust settings as needed.

With eight expansion slots, this router offers scalability for additional modules or interfaces, adapting to evolving network demands. It supports VoIP for integrated voice communications, though it does not include Power over Ethernet (PoE) capabilities. The hardware is designed for durability and consistent performance in demanding networking environments.

Relevant factors for this section include License Type, Total Number of Ports, Powerline, Management Port. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Port Count4
Expansion Slots8
Rack Unit1U
Gigabit Ethernet10/100/1000Base-TVoIP SupportedManagement Port

Key Product Advantages

These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include High-Speed Connectivity, Flexible Deployment, Enhanced Management.

High-Speed Connectivity

Delivers up to 1000 Mbps data transfer rates with Gigabit Ethernet, ensuring rapid access to network resources and internet services.

  • 10x faster than standard Ethernet
  • Supports 10/100/1000Base-T technology

Flexible Deployment

The 1U form factor allows for easy integration into standard racks or wall mounting, saving space and simplifying installation in various settings.

Enhanced Management

Includes a management port for comprehensive control over router configuration, facilitating efficient network administration and troubleshooting.

Deployment / Use Cases

The Cisco 4431 Router is ideal for small to medium-sized businesses requiring secure and high-performance edge networking. Its four Gigabit Ethernet ports and eight expansion slots make it suitable for connecting multiple devices, supporting internet access, and enabling inter-office communications with reliable throughput.

Common use cases include serving as a primary router in office networks, providing connectivity for VoIP systems, and acting as a security gateway in environments where traffic monitoring and control are essential. The rack-mountable design is perfect for data centers, while the wall-mount option offers versatility in space-constrained areas like network closets or branch offices.

Relevant factors for this section include License Type, Total Number of Ports, Powerline, Management Port. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Form Factor Rack-mountable,Wall Mountable
Ports 4
Weight 18.50 lb (8391.46 g)

Physical Profile

This router measures 1.73 inches in height, 17.25 inches in width, and 19.97 inches in depth, with a weight of approximately 18.50 pounds. Its compact 1U size ensures it fits seamlessly into standard server racks, and the wall-mountable capability provides additional installation flexibility. The sturdy construction supports reliable operation in various environmental conditions.

The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.73" (43.94 mm), 17.25" (438.15 mm), 19.97" (507.24 mm), 18.50 lb (8391.46 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.

Dimensions
Width
17.25" (438.15 mm)
Depth
19.97" (507.24 mm)
Height
1.73" (43.94 mm)
Weight
18.50 lb (8391.46 g)
[custom-highlights]

Highlights

  • Refurbished Cisco 4431 Router with SEC license for secure networking
  • Four Gigabit Ethernet ports supporting 10/100/1000Base-T technology
  • Eight expansion slots for future scalability and module additions
  • Includes a management port for easy configuration and control
  • 1U form factor, rack-mountable and wall-mountable for flexible deployment
  • Supports VoIP for integrated voice communications
  • Delivers up to 1000 Mbps data transfer rates for high-speed connectivity
  • Backed by a 90-day limited warranty for assured reliability
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerCisco Systems, Inc
Manufacturer Part NumberISR4431-SEC/K9-RF
Brand NameCisco
Product Series4000
Product Model4431
Product Name4431 Router
Product ConditionRefurbished
Product TypeRouter
Technical Information
License TypeSEC License
Interfaces/Ports
Total Number of Ports4
PowerlineNo
Management PortYes
I/O Expansions
Total Number of Expansion Slots8
Network & Communication
Ethernet TechnologyGigabit Ethernet
Network Technology10/100/1000Base-T
VoIP SupportedYes
Power Description
PoE (RJ-45) PortNo
Physical Characteristics
Compatible Rack Unit1U
Form FactorRack-mountable,Wall Mountable
Height1.73" (43.94 mm)
Width17.25" (438.15 mm)
Depth19.97" (507.24 mm)
Weight (Approximate)18.50 lb (8391.46 g)
Warranty
Limited Warranty90 Day
[/custom-specifications][custom-user-manual]

User Manual

This section contains official documentation provided by the manufacturer, including product manuals, brochures, and supplementary materials.
[/custom-user-manual][custom-faq]

FAQ

What is the port configuration on the Cisco 4431 Router?

The Cisco 4431 Router features four Gigabit Ethernet ports that support 10/100/1000Base-T network technology, enabling fast data transfers up to 1000 Mbps. It also includes a dedicated management port for administrative control, but does not have Power over Ethernet (PoE) ports. This configuration is designed for reliable connectivity in business networks.

How many expansion slots does this router have?

This router offers eight expansion slots, providing flexibility for adding modules such as additional network interfaces, security cards, or other enhancements. This scalability allows the router to adapt to growing network demands and specific business requirements without needing a hardware replacement.

Can the Cisco 4431 Router be mounted in a rack?

Yes, the Cisco 4431 Router is designed with a 1U form factor, making it fully compatible with standard server racks for organized installation in data centers or network rooms. It also supports wall mounting, offering versatile deployment options to suit different space constraints and environmental setups.

Does this router support VoIP?

Yes, the Cisco 4431 Router supports VoIP (Voice over Internet Protocol), allowing it to handle integrated voice communications over the network. This feature makes it suitable for businesses that use IP telephony systems, enabling efficient voice data routing alongside regular network traffic.

What warranty comes with this refurbished router?

This refurbished Cisco 4431 Router includes a 90-day limited warranty, providing coverage for hardware defects and ensuring reliable performance. The warranty offers peace of mind for businesses investing in cost-effective, pre-owned networking equipment from a trusted brand like Cisco.

What are the dimensions and weight of this router?

The router measures 1.73 inches in height, 17.25 inches in width, and 19.97 inches in depth, with an approximate weight of 18.50 pounds. Its compact 1U size and manageable weight facilitate easy installation in racks or on walls, while the sturdy build ensures durability in operational environments.

[/custom-faq]
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Cisco ISR4431-SEC/K9-RF 4431 Router Refurbished - 4 Port Gigabit Ethernet - 8 Expansion Slots - 1U Rack/Wall Mount - 90-Day Warranty
MSRP: $16,023.07
$16,023.07
$10,168.99
Save: $5,854.08 (36.54%)
Out of stock