COVID-19 NOTICE: We are here. We are open. As an 'Essential Business', we are supporting customers all over the world during this unprecedented health crisis. Read more »


Lifetime Warranty
Manufacturer: Cisco
Product ID: C1-CISCO4331/K9
Product Description: Cisco ONE ISR 4331 (2GE,2NIM,1SM,4G FLASH,4G DRAM,IPB)
Shipping: Typically ships within 2-3 days
Warranty: Lifetime Warranty
Any Questions?
1-800-TO-MULTI or Email
Pre-owned, used and refurbished Cisco C1-CISCO4331/K9

Branch offices in need of increased service reliability and throughput will benefit from the addition of a new or used C1-CISCO4331/K9 integrated services router. With an aggregate throughput of 500 Mbps to one Gbps and four total onboard WAN or LAN 10/100/1000 ports, a new surplus or pre-owned C1-CISCO4331/K9 consolidates many must-have IT functions, including network, compute, and storage resources. Before you buy a new or refurbished C1-CISCO4331/K9 anywhere else, call us. We carry a wide selection of new and used Cisco 4000 series ISRs in stock, and at the best prices available online.

Buy quality Cisco router equipment for less, including the C1-CISCO4331/K9. MULTI-LINK (MLCP) carries an impressive inventory of new, refurbished and used Cisco router equipment across all product series, allowing us to assist you with everything from SOHO to core router requirements.

Quick order turn-around is important to us, and our extensive C1-CISCO4331/K9 inventory often allows us to ship "same day" or within just 1-2 business days. What's even better? As an independent supplier, we carry more equipment options than are available through distribution, including new, used and refurbished C1-CISCO4331/K9. Some of our pre-owned equipment may still be in new condition, still sealed in original factory packaging (but at a fraction of the cost).

MLCP is committed to quality, and we guarantee any refurbished Cisco C1-CISCO4331/K9 purchase with our standard lifetime warranty. All used C1-CISCO4331/K9 equipment is tested to factory specifications and professionally packaged to ensure its safe arrival. As an experienced supplier of pre-owned network hardware, we know we have to be better than the manufacturer, and that fundamental principle guides us every day.

Have you upgraded recently? Will your new C1-CISCO4331/K9 replace something you no longer need? We may be interested in your surplus equipment and encourage you to take advantage of our flexible "buy-back" options, including an up-front purchase option and generous trade-ins for credit for your surplus.

For a quote today, simply click onto the "Request a Quote" button on the right, or call 1-800-TO MULTI (866-8584) for assistance. Thank you!

You might also be interested in ISR4331-AXV/K9.

General Information
Manufacturer: Cisco
Product ID: C1-CISCO4331/K9
Product Description: Cisco ONE ISR 4331 (2GE,2NIM,1SM,4G FLASH,4G DRAM,IPB)
Product Type: Router
Marketing Information

Cisco® 4000 Family Integrated Services Routers (ISRs) form an intelligent WAN platform that delivers the performance, security, and convergence capabilities that today's branch offices need.

Product Overview

The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet.

Features and Benefits

Cisco 4000 Family ISRs provide you with Cisco® Intelligent WAN (IWAN) software features and a converged branch infrastructure. Along with superior throughput, these capabilities form the building blocks of next-generation branch-office WAN solutions.

Cisco Intelligent WAN (IWAN)

Cisco IWAN is a set of intelligent software services that allow you to reliably and securely connect users, devices, and branch office locations across a diverse set of WAN transport links. IWAN-enabled routers like the ISR 4000 dynamically route traffic across the "best" link based on up-to-the-minute application and network conditions for great application experiences. You get tight control over application performance, bandwidth usage, data privacy, and availability of your WAN links - control that you need as your branches conduct greater volumes of mission-critical business.

Cisco Converged Branch Infrastructure

The Cisco 4000 Series ISRs consolidate many must-have IT functions, including network, compute, and storage resources. The high-performance, integrated routers run multiple concurrent IWAN services, including encryption, traffic management, and WAN optimization, without slowing your data throughput. And you can activate new services on demand through a simple licensing change.

Total Number of Ports: 3
Management Port: Yes
I/O Expansions
Number of Total Expansion Slots: 6
Network & Communication
Network Technology: 1000Base-T
Ethernet Technology: Gigabit Ethernet
VoIP Supported: Yes
Physical Characteristics
Compatible Rack Unit: 1U
Form Factor: Rack-mountable
  Wall Mountable
Height: 1.8"
Width: 17.3"
Depth: 17.3"
Weight (Approximate): 13.50 lb
Package Contents:
  • 4331 Router
  • Rack-mount 19in. (48.3 cm) EIA

You might also be interested in:



1 Port Fast Ethernet Network Module SMF FX only
Learn More


64-channel high-density voice and video DSP module, or spare
Learn More


2851 VSEC Bundle w/PVDM2-48,FL-CCME-100,AdvIPServ,128F/512D
Learn More

Newsletter Subscribe

Close X

Sign up for news and special offers