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Cisco

Cisco ISR4221/K9

ISR 4221 (2GE2NIM4G FLASH4G DRA

MPNISR4221/K9RoutersUpdated
Cisco ISR4221/K9 ISR 4221 (2GE2NIM4G FLASH4G DRA
View on Prology AU

Key facts

Part number
ISR4221/K9
Brand
Cisco
Category
Routers
Price
AUD 420 from Prology AU (refurbished)USD 298 from Prology US (refurbished)
Availability
  • Prology AU: New, Refurbished · in stock
  • Prology US: New, Refurbished · in stock

The Cisco ISR4221/K9 is a router listed on tprice.co. Prology AU currently offers it refurbished from AUD 420. Prology US currently offers it refurbished from USD 298. RRP AUD 4,409.04≈ USD 3,091 (Oct 2026). Request a quote for volume pricing, or sell us your used routers.

Overview

CISCO ISR 4221 (2GE2NIM4G FLASH4G DRA

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.

  • With Gigabit Ethernet, retrieve up to 10x faster than standard Ethernet connectivity and provides high-performance
  • 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
  • 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

Total Number of Expansion Slots
3.0
Product Type
Router

Manufacturer Website Address

Manufacturer
Cisco Systems, Inc
Product Model
4221
Product Name
4221 Router
Product Series
4000
Brand Name
Cisco
Compatible Rack Unit
1U
Network Technology
1000Base-T
Ethernet Technology
Gigabit Ethernet
Number of Network (RJ-45) Ports
2
Management Port
Yes
Total Number of Ports
2

Price history

Latest
AUD 4,409.04≈ USD 3,091
Oct 2026
Lowest recorded
AUD 4,409.04≈ USD 3,091
Highest recorded
AUD 4,409.04≈ USD 3,091
Recorded
2026
1 price point
Price history of Cisco ISR4221/K9 in AUDRRP AUD 4,409.04, unchanged from Oct 2026 to Oct 2026; 1 other series02,0004,0006,000AUD11 Oct12 Oct13 Oct4,409.04420
  • RRP
  • Prology AU
Prices in AUD (as recorded, not converted) · Oct 2026 – Oct 2026
Price history of Cisco ISR4221/K9 in USDList price from USD 1,195 in Dec 2016 to USD 2,130.53 in Dec 2023; low 1,195, high 2,130.53; 1 other series01,0002,0003,000USD20172020202320262982,130.53
  • Prology US
  • List price
Prices in USD (as recorded, not converted) · Dec 2016 – Oct 2026

Why buy from Prology

  • Tested before dispatchEvery item is checked by our technicians before it ships.
  • Warranty includedParts are covered by a Prology warranty – ask us for the terms.
  • Fast shippingDispatched from our Australian and US locations.
  • Real people, quick repliesQuotes and answers within 1 business day.

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