CISCO 

CISCO ISR4451-X/K9-RF REFRUB 4451 X ISR Bundle

Mfg Part Number:  ISR4451-X/K9-RF  
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Price: $11,414.53 + Free Shipping
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In Stock/Mfg Direct Ship
Last Updated: Oct 16, 2025
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The Cisco 4451-X Integrated Services Router revolutionizes the delivery of application-aware services in a branch-office environment. This new member of the Cisco ISR Family provide extensive Layer 7 services hosted internally to the branch office while maximizing operating expenses(OpEx) savings.

The Cisco 4451-X offers a multicore CPU architecture running modular Cisco IOS XE Software that dynamically adapts to the changing needs of your branch-office environment. The separation of the control and data planes provides the ability to deliver application-aware network services while maintaining a stable platform and a high level of performance during periods of heavy network load. With the ability to integrate application-aware services and the ability to scale performance without a complete equipment upgrade, the Cisco 4451-X offers exceptional total cost of ownership (TCO) savings and network agility through the intelligent integration of market-leading security, unified communications, and application services.

Main Specification
General Information
Manufacturer Cisco Systems, Inc
Manufacturer Part Number ISR4451-X/K9-RF
Manufacturer Website Address http://www.cisco.com
Brand Name Cisco
Product Series 4400
Product Model 4451-X
Product Name 4451-X Router
Product Condition Refurbished
Product Type Router
Interfaces/Ports
Total Number of Ports 4
USB Yes
Powerline No
Management Port Yes
Token Ring Port No
Serial V.35 Interface No
Number of Network (RJ-45) Ports 4
I/O Expansions
Total Number of Expansion Slots 10
Expansion Slot Type Network Interface Module (NIM)
Expansion Slot Type SFP
Expansion Slot Type PVDM
Network & Communication
Ethernet Technology Gigabit Ethernet
Network Technology 10/100/1000Base-T
Management & Protocols
Security Features
  • IPsec
  • VPN
  • Secure Socket Layer (SSL)
  • Advanced Application Inspection
  • Application Control
  • Secure Shell (SSH)
  • Network Admissions control (NAC)
  • Voice and Video Enabled VPN
  • Dynamic Multipoint VPN (DMVPN)
  • Group Encrypted Transport (GET)
  • Flex VPN
  • Cisco IOS XE Software-based Traffic Control
  • NBAR
  • AAA
  • PKI
  • ACL
Memory
Standard Memory 4 GB
Maximum Memory Supported 16 GB
Memory Technology DRAM
Flash Memory 8 GB
Power Description
PoE (RJ-45) Port Yes
Input Voltage 120 V AC
Input Voltage 230 V AC
Redundant Power Supply Supported Yes
Power Source Power Supply
Physical Characteristics
Compatible Rack Unit 2U
Form Factor Wall Mountable
Form Factor Rack-mountable
Height 3.5"
Width 17.3"
Depth 18.5"
Weight (Approximate) 28.80 lb
Miscellaneous
Certifications & Standards

Safety:

  • UL 60950-1
  • CAN/CSA C22.2 No. 60950-1
  • EN 60950-1
  • AS/NZS 60950-1
  • IEC 60950-1

EMC:

  • 47 CFR, Part 15
  • ICES-003 Class A
  • EN55022 Class A
  • CISPR22 Class A
  • AS/NZS 3548 Class A
  • VCCI V-3
  • CNS 13438
  • EN 300-386
  • EN 61000 (Immunity)
  • EN 55024, CISPR 24
  • EN50082-1
  • SD/EMI
  • KN22,KN24
Warranty
Limited Warranty 90 Day
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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