Buyer Guide: Choose Cisco ISR Featured Routers, ISR4000, ISR1000, and More

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Cisco provides customers various integrated services routers, which are easy-to-install and provides high performance for branch network. Deploy software-defined WAN, branch virtualization, and a highly secure network on one integrated platform.

Cisco ISR series includes Cisco 4000 ISRCisco 1000 ISR , Cisco 800 ISRCisco 900 ISRCisco 1900 ISRCisco 2900 ISR and Cisco 3900 ISR.

Cisco 4000 ISR is the hottest series in the market now. Besides, Cisco 1900, 2900, and 3900 are going to end of life. Cisco ISR 900 is the newest series.

Here introduces 10 featured Cisco ISR. Select the right one for your need.

ISR4331/K9, 100Mbps-300Mbps system throughput, 3 WAN/LAN ports, 2 SFP ports


ISR4431/K9, 500Mbps-1Gbps system throughput, 4 WAN/LAN ports, 4 SFP ports


ISR4321/K9, 50Mbps-100Mbps system throughput, 2 WAN/LAN ports, 1 SFP port


ISR4221/K9, 35Mbps-75Mbps system throughput, 2 WAN/LAN ports, 1 SFP port


ISR4451-X/K9, 1-2G system throughput, 4 WAN/LAN ports, 4 SFP ports


ISR4351/K9, 200Mbps-400Mbps system throughput, 3 WAN/LAN ports, 3 SFP ports


C1111-8P, ISR 1100 8 Ports Dual GE WAN Ethernet Router


C1111-4P, ISR 1100 4 Ports Dual GE WAN Ethernet Router


CISCO1921/K9, 2 GE, 2 EHWIC slots, 512DRAM, IP Base


CISCO2911/K9, w/3 GE,4 EHWIC,2 DSP,1 SM,256MB CF,512MB DRAM,IPB


Have no idea when selecting a right Cisco ISR? Learn more details about these products.

Cisco ISR Datasheets

Cisco ISR 4000 Datasheet

Cisco ISR 1000 Datasheet

Cisco ISR 900 Datasheet

Cisco ISR 1921 Datasheet

Cisco ISR 1941 Datasheet

Cisco ISR 2900 Datasheet

Cisco ISR 3900 Datasheet

Cisco ISR Guides

Comparison of Cisco ISR 1000 Models

Comparison of Cisco ISR 4000 Models

Cisco ISR 4451-X vs. ISR 3900 vs. ISR 2900 vs. ISR 1900

Cisco 4000 Series Integrated Services Routers Configuration Guide

Guide to Upgrade Your ISR G1 and ISR G2 Routers to ISR 4000

Eos and Eol for the Cisco 1941 and 1921 Integrated Services Routers

Eos and Eol for the Cisco 2900 Series Integrated Services Routers

Related Topics:

Cisco ISR 800 Series vs Cisco ISR 900 Series

The New Cisco ISR 4461-FAQ

Tested: Cisco ISR 1100 Routers Deliver the Richest Set of Wi-Fi Features

ISR4221/K9 and C1111-8P Replace the Hot Cisco 1941 and 1921 Routers

Four Reasons to Consider the All-in-one ISR 1000


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