ISR4431/K9 | Cisco Management Router
ISR4431/K9 | Cisco Management Router
ISR4431/K9 | Cisco Management Router
    ISR4431/K9 | Cisco Management Router
ISR4431/K9 | Cisco Management Router

ISR4431/K9 | Cisco Management Router

Part #: ISR4431/K9 Manufactured by: Cisco
Regular price
$3,999.00
Sale price
$3,999.00
Regular price
2 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The Cisco ISR4431/K9 is a high-performance Integrated Services Router designed for enterprise branch offices. It delivers ...  Read more
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Contact Us!

Talk to a real expert.

Mon–Sat, 7:00 AM – 8:00 PM (EST)
warranty
IQElectro 2-Year Warranty
Warranty for Product #: ISR4431/K9
IQElectro offers a free 2-year warranty on all products. You can trust that every purchase is a reliable investment in the future of your company. Warranty Terms
2-3 Day Free Shipping
Packed Ready to Ship
24/7 Expert Support
Return within 30-Days
IQElectro BBB Business Review
IQElectro is Not an authorized distributor for Cisco
Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: ISR4431/K9

Description / Specifications

Description 

The Cisco ISR4431/K9 is a high-performance Integrated Services Router (ISR) from the Cisco 4000 Series, designed for enterprise branch deployments requiring advanced routing, security, and application services.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Cisco
Category
Network Equipment
Part Number ISR4431/K9
Subcategory
Integrated Services Routers (ISR)
Aggregate Throughput (Default) 500Mbps
Onboard Ports 3x 10/100/1000
RJ45 Ports 4
SFP Ports 4
NIM Slots Boot state, error, status
Onboard ISC Slot 1
Memory  4gb default/16gb max
Flash Memory 8gb default/32gb max
Weight 8.4 kgs

  

 

Information About ISR4431/K9

The Cisco ISR4431/K9 is a powerful Integrated Services Router from the Cisco 4000 Series, designed for enterprise branch environments that demand high-performance routing, embedded security, and scalable service integration. It offers modular flexibility, supporting various WAN interfaces and delivering up to 1 Gbps of aggregate throughput, making it suitable for medium to large branches or regional offices.

Key Features:

  • Performance and Throughput: Delivers up to 1 Gbps aggregate throughput, scalable with performance-on-demand licenses.
  • Modular Architecture: Includes 3 Network Interface Module (NIM) slots, 1 enhanced service module (SM-X) slot, and 2 integrated Gigabit Ethernet ports, providing flexibility for diverse network needs.
  • Security Integration: Built-in support for firewall, VPN, Intrusion Prevention Systems (IPS), and Cisco TrustSec for secure connectivity and threat protection.
  • Application Services: Supports Cisco UCS-E modules for branch virtualization, enabling WAN optimization, web security, and application hosting.
  • High Availability: Offers dual power supply support, with optional redundant power for increased resilience in critical environments.
  • Compact Design: 1RU rack-mountable form factor that saves space while maintaining high processing power and service density.
  • Advanced Management: Centralized provisioning and monitoring through Cisco DNA Center, Cisco IOS XE, and traditional SNMP or CLI-based tools.

This router is ideal for enterprises seeking a future-ready, service-rich platform that combines advanced routing, robust security, and virtualization support in a compact, scalable design for next-generation branch deployments.

Get fast quote and compatibility check
Compatibility check available   ·   Alternative parts suggested
Get a response to your request within 5 minutes
Talk to a real industrial automation specialist.
We verify compatibility, suggest alternatives, and provide fast quotes.
Something went wrong, please try again
Form image
Arty A.
Senior Sales Manager
Daniel S.
Parts Specialist
Request successfully sent!
Estimated response time: 1 to 5 minutes.
Description / Specifications

Description 

The Cisco ISR4431/K9 is a high-performance Integrated Services Router (ISR) from the Cisco 4000 Series, designed for enterprise branch deployments requiring advanced routing, security, and application services.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Cisco
Category
Network Equipment
Part Number ISR4431/K9
Subcategory
Integrated Services Routers (ISR)
Aggregate Throughput (Default) 500Mbps
Onboard Ports 3x 10/100/1000
RJ45 Ports 4
SFP Ports 4
NIM Slots Boot state, error, status
Onboard ISC Slot 1
Memory  4gb default/16gb max
Flash Memory 8gb default/32gb max
Weight 8.4 kgs

  

 

Information About ISR4431/K9

The Cisco ISR4431/K9 is a powerful Integrated Services Router from the Cisco 4000 Series, designed for enterprise branch environments that demand high-performance routing, embedded security, and scalable service integration. It offers modular flexibility, supporting various WAN interfaces and delivering up to 1 Gbps of aggregate throughput, making it suitable for medium to large branches or regional offices.

Key Features:

  • Performance and Throughput: Delivers up to 1 Gbps aggregate throughput, scalable with performance-on-demand licenses.
  • Modular Architecture: Includes 3 Network Interface Module (NIM) slots, 1 enhanced service module (SM-X) slot, and 2 integrated Gigabit Ethernet ports, providing flexibility for diverse network needs.
  • Security Integration: Built-in support for firewall, VPN, Intrusion Prevention Systems (IPS), and Cisco TrustSec for secure connectivity and threat protection.
  • Application Services: Supports Cisco UCS-E modules for branch virtualization, enabling WAN optimization, web security, and application hosting.
  • High Availability: Offers dual power supply support, with optional redundant power for increased resilience in critical environments.
  • Compact Design: 1RU rack-mountable form factor that saves space while maintaining high processing power and service density.
  • Advanced Management: Centralized provisioning and monitoring through Cisco DNA Center, Cisco IOS XE, and traditional SNMP or CLI-based tools.

This router is ideal for enterprises seeking a future-ready, service-rich platform that combines advanced routing, robust security, and virtualization support in a compact, scalable design for next-generation branch deployments.

Check Out These Related Products