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Cisco ISR4451-X/K9

ISR 4451 (4GE3NIM2SM8G FLASH4G

MPNISR4451-X/K9RoutersUpdated

Key facts

Part number
ISR4451-X/K9
Brand
Cisco
Category
Routers
Price
AUD 53,442.88≈ USD 37,190 RRP
Availability
On request — ask for a quote

The Cisco ISR4451-X/K9 is a router listed on tprice.co. RRP AUD 53,442.88≈ USD 37,190 (Oct 2026). Request a quote for volume pricing, or sell us your used routers.

Overview

CISCO ISR 4451 (4GE3NIM2SM8G FLASH4G

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.

  • With Gigabit Ethernet, retrieve up to 10x faster than standard Ethernet connectivity and provides high-performance
  • Tuck the router out of the way with its wall mounting feature
  • Management capability provides control over the router's setup and configuration
  • With 10/100/1000Base-T technology, get up to 1000 mbps data transfer rate over twisted pair cable
  • Built-in power supply to ensure all components are being supplied with accurate voltage
  • Offers high performance and reliable connectivity to the Internet and other offices

Specifications

General

Security Features
IPsecVPNSecure Socket Layer (SSL)Advanced Application InspectionApplication ControlSecure Shell (SSH)Network Admissions control (NAC)Voice and Video Enabled VPNDynamic Multipoint VPN (DMVPN)Group Encrypted Transport (GET)Flex VPNCisco IOS XE Software-based Traffic ControlNBARAAAPKIACL
Network Technology
10/100/1000Base-T
Ethernet Technology
Gigabit Ethernet
Expansion Slot Type
SFP

PVDM

Total Number of Expansion Slots
10.0
Flash Memory
8 GB
Maximum Memory Supported
16 GB
Standard Memory
4 GB
Memory Technology
DRAM
Input Voltage
110 V AC

220 V AC

Power Source
Power Supply
PoE (RJ-45) Port
Yes
Redundant Power Supply Supported
Yes
Product Type
Router

Manufacturer Website Address

Manufacturer
Cisco Systems, Inc
Product Model
4451-X
Product Name
4451-X Router
Brand Name
Cisco
Token Ring Port
No
USB
Yes
Number of Network (RJ-45) Ports
4
Powerline
No
Management Port
Yes
Total Number of Ports
4
Serial V.35 Interface
No
Weight (Approximate)
13.06 kg
Form Factor
Wall Mountable

Rack-mountable

Height
88.9 mm
Width
438.2 mm
Depth
469.9 mm
Compatible Rack Unit
2U

Price history

Latest
AUD 53,442.88≈ USD 37,190
Oct 2026
Lowest recorded
AUD 53,442.88≈ USD 37,190
Highest recorded
AUD 53,442.88≈ USD 37,190
Recorded
2026
1 price point
Price history of Cisco ISR4451-X/K9 in USDList price from USD 14,000 in Feb 2014 to USD 26,934.99 in Dec 2023; low 14,000, high 26,934.9910k15k20k25k30kUSD20152018202126,934.99
List pricePrices in USD (as recorded, not converted) · Feb 2014 – Dec 2023

AUD 53,442.88 rrp, recorded

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