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ISR4331-AX/K9
- Description:
- Cisco ISR 4331 AX Bundle w/ APP,SEC lic
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$7,851.00
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ISR4331-AX/K9
Cisco ISR 4331 AX Bundle w/ APP,SEC lic
$7,851.00
$2,358.00
36 in Global Warehouse
$2,358.00
70% off
TRUSTED, TRIED, PROVEN
ISR4331-AX/K9 Overview
ISR4331-AX/K9 is a high-performance enterprise router built on a modular architecture that integrates advanced security, voice, and WAN optimization services into a single platform. It supports flexible power options with an AC power supply and redundant configurations, and it features configurable WAN/LAN interfaces, including dual Gigabit Ethernet ports, to meet the diverse connectivity needs of branch and enterprise environments.
This router delivers robust VPN capabilities with IPSec, SSL VPN, DMVPN, and FlexVPN support while ensuring high throughput performance and low latency for demanding applications. With integrated services, modular expansion slots for additional interface modules, built-in firewall and intrusion prevention features, and high availability support, the ISR4331-AX/K9 is ideally suited for secure and resilient branch connectivity and enterprise deployments.
What is the price of ISR4331-AX/K9?
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ISR4331-AX/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed / Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100/1000 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4 / IPv6 |
| Remote Management | SSH / Telnet / SNMP |
| Compliance Standards | FCC / CE / UL |
| Wireless Support | No |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN / IPv6 Compatible / Firewall / WAN Optimization / Voice / Video |
| Use Case | Enterprise / Branch |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Video / WAN Optimization |
| High Availability Support | Supported |
| Safety | UL / IEC |
| EMC | FCC / CE |
| Telecom | TIA/EIA |
| Throughput Capacity | 0.15 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection |
| Expansion Slots | EHWIC / NIM |
| Modular Slots Available | 3+ Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 4 GB |
| Flash Memory | 512 MB |
| Interface Ports | RJ-45 / SFP |
| Power | 65 Watts |
| Device Type | Router |
| Product Name | Cisco ISR4331-AX/K9 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
ISR4331-AX/K9 Use Case
Secure Multi-Branch Connectivity for Distributed Enterprises
In a distributed enterprise with 50+ branch offices, the Cisco ISR4331-AX/K9 AX Bundle w/ APP,SEC license enables secure, high-performance VPN tunnels using DMVPN and IPsec. By centralizing routing, application optimization, and advanced threat defense on a single platform, IT teams achieve sub-millisecond fail-over, 1 Gbps encrypted throughput, and streamlined policy enforcement. The outcome is consistent, low-latency access to corporate applications and cloud services while maintaining end-to-end security and reducing total cost of ownership.
High-Performance SD-WAN Orchestration for Hybrid Cloud Workloads
For organizations migrating critical workloads to AWS, Azure, and private data centers, the ISR4331-AX/K9 with APP,SEC lic delivers integrated SD-WAN capabilities, dynamic path selection, and application-aware routing. IT operators leverage real-time analytics and automated fail-over across MPLS, broadband, and LTE links to guarantee 99.99% uptime for ERP, VoIP, and video collaboration. This unified solution boosts application performance, simplifies cloud connectivity, and enforces security policies end-to-end, driving measurable productivity gains.
Unified Threat Management in Retail and Hospitality Networks
In a multi-site retail or hospitality chain, deploying the Cisco ISR4331-AX/K9 with APP,SEC license provides a consolidated platform for firewall, intrusion prevention, URL filtering, and malware defense. The device inspects up to 300,000 concurrent sessions and 600 Mbps of threat traffic, while QoS ensures seamless point-of-sale transactions and guest Wi-Fi performance. Retail IT achieves PCI DSS compliance, real-time threat intelligence updates, and centralized policy management—protecting revenue streams and customer data with minimal operational overhead.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed / Modular | Modular | Modular | Fixed | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC / CE / UL | FCC / CE | FCC, CE | FCC, CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 16.90 inches | 18 inches | 18.3 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC / CE | FCC / CE | N/A | CISPR22, FCC Part 15 | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | EHWIC / NIM | EHWIC / NIM | EHWIC / NIM | NIM / EHWIC | EHWIC |
| Features | VPN / IPv6 Compatible / Firewall / WAN Optimization / Voice / Video | VPN / VoIP / IPv6 Compatible / Firewall / MPLS / Syslog | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | Mesh / VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / Firewall / Voice / Video / WAN Optimization |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 512 MB | 2 GB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount / Desktop | Rack-mount |
| Height | N/A | 1.75 inches | 1.75 inches | 1.75 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP, Combo Ports | RJ-45 / SFP | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 4 GB | 512 MB | 4 GB |
| Modular Slots Available | 3+ Slots | 3 Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4 / IPv6 / MPLS | IPv4, IPv6 | IPv4, IPv6 | IPv4 / IPv6 |
| Power | 65 Watts | 350W | 250 W | 54 W | 115W |
| Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco ISR4331-AX/K9 | Cisco ISR4451-X-AX/K9 | Cisco 4451 Integrated Services Router | Cisco ISR4321-AXV/K9 | Cisco ISR4351-DNA |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | Cisco IOS XE CLI / SNMP / NetConf | CLI, SNMP, Telnet, SSH | SSH, Telnet, SNMP | CLI / SNMP / Cisco DNA Center |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | UL / IEC | UL / CSA | N/A | RoHS Compliant | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | No | Yes | No |
| Telecom | TIA/EIA | N/A | N/A | TIA/EIA | N/A |
| Throughput Capacity | 0.15 Gbps | 2 Gbps | 2 Gbps | 200 Mbps | 1 Gbps |
| Use Case | Enterprise / Branch | Enterprise | Enterprise | Enterprise / Branch | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / GRE / DMVPN / FlexVPN / N/A | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN / N/A |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | Modular WAN | 2 WAN | Modular WAN |
| Weight | N/A | 17.6 lbs | 23 lbs | 13.2 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | 17.32 inches | 17.5 inches | 17.5 inches | N/A |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco ISR4331-AX/K9?
A
The Cisco ISR4331-AX/K9 is a high-performance integrated services router bundle that delivers enterprise-grade performance, application experience (APPX) and advanced security licensing in a compact form factor.
Q
What software and licenses come with the ISR4331-AX/K9 bundle?
A
The bundle includes Cisco IOS XE Software with an App Experience (APPX) license for application optimization and a Security (SEC) license for advanced threat protection and VPN services.
Q
What throughput and performance can I expect from this router?
A
The ISR4331-AX/K9 supports up to 100 Mbps of concurrent firewall throughput and up to 300 Mbps of aggregate performance for routing, security and application services.
Q
How many network interfaces does the ISR4331-AX/K9 offer?
A
It features three integrated Gigabit Ethernet ports plus two network interface module slots that can accommodate additional Gigabit Ethernet, SFP or other Cisco interface modules.
Q
What advanced security features are supported?
A
With the SEC license, it delivers next-generation firewall, intrusion prevention (IPS), encrypted VPN (IPsec/SSL), URL filtering and Cisco Advanced Malware Protection (AMP).
Q
Can the ISR4331-AX/K9 be used for SD-WAN deployments?
A
Yes. It supports Cisco SD-WAN solutions with cloud-delivered routing, policy-based path selection and secure overlay tunnels for optimized branch connectivity.
Q
What are the typical use cases for this router?
A
Ideal for branch office WAN aggregation, secure VPN access, application-aware routing, cloud connectivity and unified communications at midsize to large sites.
Q
How do I configure and manage the ISR4331-AX/K9?
A
You can configure it via Cisco IOS XE CLI, Cisco DNA Center, Cisco Prime Infrastructure or REST APIs for centralized policy and lifecycle management.
Q
Does the router support virtualization?
A
Yes. It includes Cisco NFVIS, enabling you to host virtual network functions (VNFs) such as Cisco Cloud Services Router (CSR) and third-party VNFs on the same platform.
Q
What are the power and environmental specifications?
A
The ISR4331-AX/K9 operates on 100-240 VAC, uses up to 120 W, and supports operating temperatures from 0 °C to 45 °C with a compact 1RU form factor.
Q
What warranty and support options are available?
A
It comes with a 1-year limited hardware warranty and Cisco’s SMARTnet service options for 24/7 global support, software updates and advanced hardware replacement.
Q
How does the AX bundle differ from the base ISR4331?
A
The AX variant adds an APPX license for advanced application optimization and a SEC license for full security services, while the base model requires separate license upgrades.
Q
Which modules can I add to expand connectivity?
A
You can install Network Interface Modules (NIMs) such as additional Gigabit Ethernet, SFP or T1/E1 interfaces and service modules like Voice & Video DSP modules.
Q
Is the ISR4331-AX/K9 suitable for cloud integration?
A
Yes. It supports secure direct connections to AWS, Azure and Google Cloud with Cisco Cloud OnRamp and automated provisioning via Cisco DNA Center.
Q
What deployment services are recommended?
A
Cisco and certified partners offer professional services including site assessment, design, installation, testing and ongoing managed services to accelerate deployment.
Q
How can I purchase the Cisco ISR4331-AX/K9?
A
You can order through authorized Cisco partners or distributors; contact your sales representative for pricing, volume discounts and lead-time details.
