Cisco ISR4451/K9

Product ID : Cisco ISR4451/K9

Product Tags : CISCO 4000 SERIES ROUTERS

Product Description

Cisco ISR4451/K9 Integrated Services Router

Cisco 4451-X ISR Router • 2RU Form Factor • Modular Enterprise Routing Platform

✅ Product Overview

The ISR4451/K9 is a Cisco 4451-X Integrated Services Router designed for enterprise branch offices, data networks, secure WAN connectivity, and modular service expansion.

It supports network interface modules, service modules, integrated WAN ports, PoE options, redundant power supply support, and high-performance routing services.

✅ ISR4451/K9 Specifications

Specification	Details	Specification	Details
Network Interface Modules	3 NIM Slots	Management Port	1 GE Integrated Out-of-Band
Maximum Switched Ethernet LAN Ports with PoE	48	EtherSwitch Service Module Type	2 Single-Wide or 1 Double-Wide
PoE Support with PoE Boost	950W, No Power Supply Redundancy	PoE Support without PoE Boost	500W with Optional Power Supply Redundancy
Integrated Services Card Slots	1 PVDM4 Slot	Intrusion Prevention	Yes
Cisco Cloud Web Security	Yes	Enhanced Services Module	2 Single-Wide or 1 Double-Wide SM-X
Server Virtualization Platform	UCS E-Series Supported	Form Factor	2 RU
Zone-Based Firewall and NAT	VRF-Aware Firewall and NAT	Module Online Insertion and Removal	Yes
USB Ports	2 x Type-A USB Ports	Power Supply Type	Internal AC, PoE or DC
Integrated WAN Ports	2 PoE GE/SFP + 2 GE/SFP	Maximum Switched Ethernet Ports	48
Default / Max DRAM	4GB / 16GB	Default / Max Flash	8GB / 32GB
Redundant Power Supply	Yes, Internal RPS	Performance	1Gbps, Upgradeable to 2Gbps