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Cisco ISR4431/K9-RF 4431 Router - Refurbished - 4 Port Gigabit Ethernet - 8 Expansion Slots - 1U Rack/Wall Mountable - 90 Day Warranty
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Product Features
Technical Overview
The Cisco 4431 Router delivers robust networking capabilities with a focus on expandability and reliability. It features 8 expansion slots, allowing for future upgrades and customization to meet evolving network demands. The built-in power supply ensures stable voltage delivery to all components, supporting consistent operation in diverse environments.
Network performance is anchored by Gigabit Ethernet ports that facilitate ultra-fast data transfers, reducing latency and improving throughput for bandwidth-intensive applications. The router's compatibility with 10/100/1000Base-T technology ensures backward compatibility with existing network infrastructure while maximizing speed potential.
Relevant factors for this section include Total Number of Ports, Powerline, Management Port, Total Number of Expansion Slots. 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.
Key Product Advantages
This router combines high performance with flexible deployment options, making it a versatile choice for network administrators. Its rack-mountable and wall-mountable design allows for installation in server rooms, closets, or office spaces, optimizing space utilization while maintaining accessibility.
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 Reliable Connectivity, Expandable Architecture.
Reliable Connectivity
Offers dependable internet and inter-office connections with Gigabit Ethernet speeds, ensuring minimal downtime and efficient data flow.
- Management port for enhanced control
- Supports VoIP for integrated communications
Expandable Architecture
With 8 expansion slots, the router can be customized with additional modules to adapt to growing network requirements.
- Future-proof design
- Flexible configuration options
Deployment / Use Cases
The Cisco 4431 Router is well-suited for edge networking roles where reliability and performance are critical. It serves as an effective gateway for branch offices, providing secure and fast connectivity to corporate networks and the internet.
Common use cases include small business internet routing, VoIP system integration, and network expansion in educational or healthcare settings. Its rack-mountable form factor makes it ideal for data center deployments, while wall-mount capability supports installations in space-constrained environments like retail stores or remote sites.
Relevant factors for this section include Total Number of Ports, Powerline, Management Port, Total Number of Expansion Slots. 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.
Physical Profile
The router features a compact 1U design with dimensions of 1.73 inches in height, 17.25 inches in width, and 19.97 inches in depth, making it suitable for standard rack installations. Its weight of approximately 18.50 pounds ensures stability while remaining manageable for installation. The dual form factor supports both rack and wall mounting, providing flexibility for various deployment scenarios.
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.
- 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)
What's in the Box
The package includes the 4431 Router with a rack-mount kit, ensuring you have everything needed for immediate installation. All components are inspected and tested to meet refurbished quality standards.
Highlights
- 4 Gigabit Ethernet ports for high-speed connectivity
- 8 expansion slots for future upgrades and customization
- 1U rack-mountable and wall-mountable form factor
- Management port included for network administration
- Supports VoIP for integrated voice communications
- Redundant power supply compatibility for enhanced reliability
- Refurbished condition with 90-day limited warranty
- Compact dimensions: 1.73" H x 17.25" W x 19.97" D
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | ISR4431/K9-RF |
| Brand Name | Cisco |
| Product Series | 4000 |
| Product Model | 4431 |
| Product Name | 4431 Router |
| Product Condition | Refurbished |
| Product Type | Router |
| Interfaces/Ports | |
| Total Number of Ports | 4 |
| Powerline | No |
| Management Port | Yes |
| I/O Expansions | |
| Total Number of Expansion Slots | 8 |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 10/100/1000Base-T |
| VoIP Supported | Yes |
| Power Description | |
| PoE (RJ-45) Port | No |
| Redundant Power Supply Supported | Yes |
| Physical Characteristics | |
| Compatible Rack Unit | 1U |
| Form Factor | Rack-mountable,Wall Mountable |
| Height | 1.73" (43.94 mm) |
| Width | 17.25" (438.15 mm) |
| Depth | 19.97" (507.24 mm) |
| Weight (Approximate) | 18.50 lb (8391.46 g) |
| Miscellaneous | |
| Package Contents | 4431 Router Rack-Mount |
| Warranty | |
| Limited Warranty | 90 Day |
User Manual
FAQ
What are the key specifications of the Cisco 4431 Router?
The Cisco 4431 Router features 4 Gigabit Ethernet ports with 10/100/1000Base-T technology, 8 expansion slots, a management port, and support for VoIP. It has a 1U form factor that is rack-mountable and wall-mountable, with dimensions of 1.73" H x 17.25" W x 19.97" D and a weight of 18.50 lb. This refurbished unit includes a 90-day limited warranty.
How many expansion slots does this router have?
This router includes 8 expansion slots, allowing for significant customization and future upgrades. You can add modules for additional ports, security features, or other networking functions to adapt the router to evolving business needs without replacing the entire unit.
Is this router suitable for VoIP deployments?
Yes, the Cisco 4431 Router supports VoIP, making it compatible with voice-over-IP systems. This allows for integrated voice communications over the network, reducing the need for separate telephony hardware and streamlining infrastructure in office or branch environments.
What mounting options are available for this router?
The router is designed for both rack mounting and wall mounting. Its 1U height fits standard server racks, while the wall-mountable feature provides flexibility for installations in spaces where rack space is limited, such as small offices or remote locations.
Does the router support redundant power supplies?
Yes, the Cisco 4431 Router supports redundant power supplies, enhancing reliability by allowing backup power units to be installed. This feature helps prevent downtime in critical networking scenarios, ensuring continuous operation even if one power supply fails.
What is included in the warranty for this refurbished router?
This refurbished Cisco 4431 Router comes with a 90-day limited warranty. The warranty covers defects in materials and workmanship, providing assurance of quality and reliability. It reflects the inspected and tested condition of the unit, offering peace of mind for your investment.
| Qty | Price | Available |
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