Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF

Brand: Cisco | Category: Network Equipment

SKU: ISR4431/K9-RF | Part #: ISR4431/K9-RF | MPN: ISR4431/K9-RF

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About the Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF

CISCO ISR 4431 (4GE, 3NIM, 8G FLASH, 4G DRAM, IPB) REMANUFACTURED is a Cisco Network Switch engineered for high-throughput branch and hub-site deployments. The 4-port Gigabit configuration and 8GB flash support advanced IOS XE features, making it ideal for traffic-intensive environments and multi-service integration.

Key Features:

  • 4 x Gigabit Ethernet ports enabling quad-WAN, full network segmentation, and management separation
  • 3 x Network Interface Module slots for cellular backup, serial connectivity, and additional Ethernet expansion
  • 8GB flash memory supporting comprehensive IOS XE feature sets and large image sizes
  • 4GB DRAM enabling stateful firewall, IPS, encryption, and high-density routing
  • Integrated Processing Bus for consistent high-speed throughput

Ideal for:

  • Large enterprise branch offices with high traffic volumes
  • Regional hub and consolidation points across GCC, EMEA, and APAC
  • Multi-WAN and network redundancy-critical deployments

Technical Specifications

BrandCisco
CategoryNetwork Equipment
SKUISR4431/K9-RF
Part NumberISR4431/K9-RF
ConditionNew
Ports4 GE
RAM4 GB
Flash Storage8 GB
NIM Slots3
Manufacturer Part NumberISR4431/K9-RF

Frequently Asked Questions about Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF

What does the Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF do?

The Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Arista environments.

What are the headline specs of the Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF?

Key specifications for the Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF: new condition; ports 4 GE; ram 4 GB; flash storage 8 GB; nim slots 3; manufacturer Cisco; manufacturer part number ISR4431/K9-RF. Manufacturer part number ISR4431/K9-RF. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.

Is the Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF compatible with my infrastructure?

The Cisco ISR 4431 Router (4GE, 3NIM, 8G Flash, 4G DRAM, IPB) Remanufactured ISR4431/K9-RF interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.