Trustpilot
close menu header


Discover our range of new and used gear. Get fast lead times and competitive prices. Request your quote now for personalized, seamless solutions!

Cisco ISR4431-K9 ISR 4431 (4 GE, 3 NIM, 8 GB FLASH, 2 GB DRAM (data plane), 4 GB DRAM (control plane)

Cisco ISR4431-K9 ISR 4431 (4 GE, 3 NIM, 8 GB FLASH, 2 GB DRAM (data plane), 4 GB DRAM (control plane)

SKU: ISR4431-K9

The Cisco ISR4431-K9 Integrated Services Router is designed to deliver advanced services at branch offices or small to medium-sized businesses. It features four Gigabit Ethernet ports, three network interface module (NIM) slots, and robust memory capacities with 8 GB flash memory and dual DRAM configurations—2 GB for the data plane and 4 GB for the control plane. The ISR 4431 ensures high performance for data, voice, video, and security capabilities while enabling scalable, secure, and easy-to-manage connectivity. Ideal for businesses looking to efficiently manage network traffic and enhance the communication infrastructure.

Features

  • Integrated Services Router with 4 Gigabit Ethernet ports
  • Three NIM (Network Interface Module) slots for flexible interface options
  • 8 GB Flash memory for enhanced storage capabilities
  • 2 GB DRAM for the data plane to ensure high-performance data processing
  • 4 GB DRAM for the control plane to manage control operations effectively
  • Advanced security features including VPN and firewall capabilities
  • High availability and redundancy with optional dual power supplies
  • Support for a range of Cisco IOS XE software features
  • Scalability to support future network growth and increased traffic demands
  • Energy-efficient design to reduce operational costs and environmental impact

Technical Specifications

  • Ports: 4 x Gigabit Ethernet
  • NIM Slots: 3
  • Flash Memory: 8 GB
  • DRAM (Data Plane): 2 GB
  • DRAM (Control Plane): 4 GB
  • Routing Performance: Up to 1 Gbps
  • Dimensions: 3.5 x 17.5 x 17.3 inches (HxWxD)
  • Weight: Approximately 16.5 lbs
  • Supported Power Supply: AC or PoE (optional)
  • Operating Temperature: 32 to 104°F (0 to 40°C)
  • Storage Temperature: -40 to 158°F (-40 to 70°C)
  • Relative Humidity: 5% to 90% non-condensing
  • Regulatory Compliance: CE Mark, FCC Part 15, UL 60950-1

Frequent Ask Questions
  • What are the key features of the Cisco ISR4431-K9?

    The Cisco ISR4431-K9 features 4 GE ports, 3 Network Interface Modules (NIM) slots, 8 GB Flash memory, 2 GB DRAM for the data plane, and 4 GB DRAM for the control plane.

  • What is the purpose of the Network Interface Modules (NIM) slots in the Cisco ISR4431-K9?

    The Network Interface Modules (NIM) slots allow for flexible and scalable interface options, enhancing the router\'s versatility and ability to support various types of network connections.

  • What does the Flash memory in the Cisco ISR4431-K9 do?

    The 8 GB Flash memory in the Cisco ISR4431-K9 is used to store the IOS (Internetwork Operating System) software, configuration files, and other critical system data necessary for the router\'s operation.

  • How much DRAM does the Cisco ISR4431-K9 have?

    The Cisco ISR4431-K9 has a total of 6 GB DRAM, with 2 GB dedicated to the data plane and 4 GB dedicated to the control plane.

  • What is the function of the data plane and control plane DRAM in the Cisco ISR4431-K9?

    The data plane DRAM (2 GB) handles the forwarding and processing of packets, while the control plane DRAM (4 GB) manages the router\'s configuration, routing protocols, and overall control tasks.

  • Can additional memory be added to the Cisco ISR4431-K9?

    Yes, the Cisco ISR4431-K9 supports memory upgrades for enhanced performance and capability expansion, allowing for adjustments based on network requirements.

Warranty and Extended Support Options
  • All products sold come with a 12 month return to base warranty.
  • For most products, we can also offer extended maintenance contracts, with options such as 24x7 support and an onsite engineer that can repair or replace your part within 2 hours.

Delivery and Logistics
  • Our stock is held in Botany, NSW, near major courier hubs and Sydney International Airport.
  • We offer advanced logistics solutions, such as:
    • same day delivery,
    • same day collection,
    • overnight delivery,
    • tailgate services,
    • data centre
    • and secure location deliveries, etc.
  • Our logistics team ensure every item is packed safe and secure, ensuring no damage occurs to your equipment, in fact, our customers often comment on how good our packing is, check out our ratings on trustpilot.

The XS Network Tech Difference

We are in independent network hardware distributor, our focus is on ensuring that our customers receive the correct tech solutions, at the best possible price, delivered as fast as possible.

We are real people, with a real passion for tech.

Our team endeavours to respond to all requests within 20 minutes or less (during business hours).

Our Stock

  • We have the largest independent stock holding in Australia.
  • We buy and sell network hardware. Our sources include excess gear from large projects, decommissioned customer gear and trusted national & international hardware partners and suppliers.
  • We stock brand new and used network hardware, including hard to find components, modules and accessories, as well as end of life items that are no longer available from manufacturers.

See more about our used goods procedures

Doing Business with Us

Corporate Accounts

Our corporate and government customers trade on corporate accounts, normally Net 30, we also accept Government P-Cards (subjects to T&Cs and approvals)

Prepaid Accounts

For prepaid accounts, we accept Electronic Funds Transfers (EFT) and credit card payment.

Logistics

  • Our stock is held in Botany, NSW, near major courier hubs and Sydney International Airport.
  • We offer advanced logistics solutions, such as same day delivery, same day collection, overnight delivery, tailgate services, data centre & secure location deliveries, etc.
  • Our logistics team ensure every item is packed safe and secure, ensuring no damage occurs to your equipment, in fact, our customers often comment on how good our packing is, check out our ratings on trustpilot.

Warranty and Extended Support Options

  • All products sold come with a 12 month return to base warranty.
  • For most products, we can also offer extended maintenance contracts, with options such as 24x7 support and an onsite engineer that can repair or replace your part within 2 hours.

Circular Economy - E-Waste Reduction

  • XS Network Tech is committed to extending the useful life of IT network hardware and accessories, contributing to a circular economy, and reducing e-waste.
  • Waste reduction is part of our company Ethos. Besides being a prominent second hand network equipment dealer, we also try minimise waste by re-using packaging and protective shipping insulation products wherever possible.

Trade In Excess Equipment

We purchase new and used networking equipment. We can offer direct payment, or credit towards your next purchase. Click here for more information.

Similar Products: