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Cisco ISR4331-DC/K9

ISR 4331 (3GE 2NIM 1SM 4G FLASH 4G DRAM IPB) W/ DC PS

MPNISR4331-DC/K9CiscoRoutersUpdated
Cisco ISR4331-DC/K9 ISR 4331 (3GE 2NIM 1SM 4G FLASH 4G DRAM IPB) W/ DC PS
View on Prology AU

Key facts

Part number
ISR4331-DC/K9
Brand
Cisco
Category
Routers
Price
AUD 3,118 from Prology AU (refurbished)USD 2,213 from Prology US (refurbished)
Availability
  • Prology AU: Refurbished · in stock
  • Prology US: Refurbished · in stock

Overview

CISCO ISR 4331 (3GE 2NIM 1SM 4G FLASH 4G DRAM IPB) W/ DC PS

Cisco® 4000 Family Integrated Services Routers (ISRs) form an Software Defined 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.

The Cisco 4000 Family contains the following platforms: the 4461, 4451, 4431, 4351, 4331, 4321 and 4221 ISRs.

Features and benefits

Cisco 4000 Family ISRs provide you with Cisco® Software Defined WAN (SDWAN) 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 Software Defined WAN

Cisco SDWAN 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. SDWAN-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 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.

Cisco intent based networking and digital network architecture (Cisco DNA)

The last few years has seen a rapid transformation and adoption of digital technologies. This puts pressure on the on the Network teams supporting this changing infrastructure - especially when provisioning, managing, monitoring and troubleshooting these diverse devices. Additionally innovations such as Software Defined WAN (SDWAN), Network Function Virtualization (NFV), Open APIs and Cloud Management show great promise in transforming Organizations IT networks. This transformation raises further questions and challenges for the IT teams.

Cisco DNA relies on intent-based networking, a revolutionary approach in networking that helps organizations automate, simplify, and secure the network.

  • Gigabit Ethernet port for ultra-fast network speeds
  • Rack-mountable feature for convenient and safe installation of the router
  • Management capability provides control over the router's setup and configuration
  • With 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
  • Create a wired network with all the PCs connected with this router and share your Internet connection as well as files while checking emails

Specifications

General

Standard Memory
16 GB
Power Source
Power Supply
PoE (RJ-45) Port
Yes
Expansion Slot Type
SFP (mini-GBIC)

Integrated Services Card (ISC)

Total Number of Expansion Slots
6.0
USB Standard
USB 2.0 Type A

Mini USB Type B

Management Port
Yes
Total Number of Ports
3
Number of WAN Ports
3
Network Technology
1000Base-X

1000Base-T

Ethernet Technology
Gigabit Ethernet
Networking Standards
IEEE 802.3ah

IEEE 802.3

Weight (Approximate)
6.12 kg
Form Factor
Rack-mountable

Wall Mountable

Height
43.2 mm
Width
436.9 mm
Depth
436.9 mm
Compatible Rack Unit
1U
Product Type
Router

Manufacturer Website Address

Manufacturer
Cisco Systems, Inc
Product Model
4331
Product Name
4331 Router
Product Series
4000
Brand Name
Cisco

Reference price history

Recorded reference and list prices over time. Not Prology selling prices.

Latest
AUD 11,757.44≈ USD 8,125
Oct 2026
Lowest recorded
AUD 11,757.44≈ USD 8,125
Highest recorded
AUD 11,757.44≈ USD 8,125
Recorded
2026
1 price point
Price history of Cisco ISR4331-DC/K9 in AUDRRP AUD 11,757.44, unchanged from Oct 2026 to Oct 2026; 1 other series05k10k15kAUD11 Oct12 Oct13 Oct11,757.443,118
  • RRP
  • Prology AU
Prices in AUD (as recorded, not converted) · Oct 2026 – Oct 2026
Price history of Cisco ISR4331-DC/K9 in USDList price from USD 3,900 in Jan 2017 to USD 5,935.04 in Dec 2023; low 3,900, high 5,935.04; 1 other series2,0004,0006,000USD2018202120242,2135,935.04
  • Prology US
  • List price
Prices in USD (as recorded, not converted) · Jan 2017 – Oct 2026

Buy or sell Cisco ISR4331-DC/K9

Buying Cisco routers

Prology stocks the Cisco ISR4331-DC/K9 from USD 2,213 on Prology AU and Prology US. Need more than one, or a different condition? Request a quote for volume pricing.

Selling Cisco routers

Have a spare or decommissioned ISR4331-DC/K9? Prology buys used and surplus Cisco routers — single units or whole lots — and replies with an offer within 1 business day. Sell your ISR4331-DC/K9.

What is the Cisco ISR4331-DC/K9?
The Cisco ISR4331-DC/K9 is a Cisco router – ISR 4331 (3GE 2NIM 1SM 4G FLASH 4G DRAM IPB) W/ DC PS.
How much does the Cisco ISR4331-DC/K9 cost?
The reference price on record is AUD 11,757.44 (Oct 2026). It is a reference figure, not a selling price — the live price is on the Prology store page.
Where can I buy the Cisco ISR4331-DC/K9?
It is listed on Prology AU and Prology US. Use the “View on Prology” button above for live price, condition and stock, or request a quote for volume pricing.
Can I sell a used Cisco ISR4331-DC/K9?
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